One Communications KnowledgeBase

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Contents of Top Level Category
1. Email (All about Choice One Email, including settings,...)
2. Web Hosting (Q&A on Choice One Web Hosting and Dedicated...)
3. DNS (Domain Name Service)

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Email

All about Choice One Email, including settings, webmail and general FAQ\'s

Be "OnGaurd" against Internet fraud, secure your computer, and protect your information.

A very good outside resource regarding best practices on the Internet can be found here;

http://onguardonline.gov/

OnGuardOnline.gov provides practical tips from the federal government and the technology industry to help you be on guard against Internet fraud, secure your computer, and protect your personal information.

Can I import my Outlook Contact List into my Webmail Address book?

Yes. Follow the instructions below.

Importing from Microsoft Outlook

In order to import from Microsoft Outlook, you should have exported your address book using Outlook's Import and Export function, and exported to a comma delimited (CSV) formatted file. Use the default settings for each step of the export. Call the resulting file “addressbook.csv” and place it in a known location (i.e. on your desktop).

After the addressbook.csv file has been created, return to Webmail and do the following:

1. Click Addressbook.

2. Click Import/Export.

3. Select Outlook from the "Select the format to import from:" menu.

4. Select the address book you wish to import into. You can always import into My Addressbook. (Only Postmaster can import into the Domain Address Book.)

5. Click Browse and locate the addressbook.csv file you created in Outlook. Once you've found it, click OK, and it will be selected to be imported.

Important: You can only select one address book at a time to be imported.

6. After selecting the comma-delimited file, press the Import button to read the file into memory.

7. The Map Import Fields panel will appear so you can fine-tune the import settings. Outlook has a default field order that is taken care of by the Outlook import option, so changes to this panel usually aren't necessary, but depend on the version of Outlook. If necessary, match fields in the top panel then click Add Pair to add to the lower panel.

Finally, scroll down and press Import to import the address book.

8. Press the Browse button to see your address book, including your newly imported entries.

Error 451 - Too many connections received this hour from

One Communications allows email clients to make UP TO 500 SMTP connections from an individual IP address to smtp.onecommunications.net per hour. If an IP makes more than 500 SMTP connections to smtp.onecommunications.net the IP address will land on the smtp.onecommunications.net DENIED " Too many connections received this hour from <IP address> " listing.

At that point, any further connections attempts to SEND email thru smtp.onecommunications.net will result in the following error:

451 - Too many connections received this hour from <IP address>

If a client does not make an SMTP connection to our servers for one solid hour they are automatically removed from this automated deny listing.

How did my IP address end up getting listed for too many SMTP connections this hour? 99% of the time this is due to a mis-configuration of the clients internal mail server owned and maintained by the client, OR this is due to a virus/trojan, or "open relay" type problem, also internal to the client's LAN.

Are you attempting to relay or send a BULK Mailing?
- If so you should be using smtp-big.onecommunications.net OR be sure you are using your own email server to relay email OUT to the WWW using DNS resolution
Are you running your own email server on your LAN? (i.e. Microsoft Exchange Server, SendMail Server or any other email server to send mail OUT to the WWW via SMTP)
- If YES check to ensure you have your email server set up to "use DNS resolution to send outbound mail via SMTP" and NOT a "smart host"
- If you have your own mail server "in-House" in order to send mail OUTBOUND to the WWW, you should not be using smtp.onecommunications.net as a "smart host"
If you do not have your own outbound email server "In-House" and you rely strictly on smtp.onecommunications.net to send mail OUT to the WWW, you may have been comprised by a SPAM virus or trojan of some sort, or your IP address may compromised as an "OPEN RELAY"

Above are a couple quick main line suggestions regarding how this could have happened...? There are numerous other reasons why an email client might cause an IP address to get listed such that you now receive the following error;

451 - Too many connections received this hour from <IP address>

The main thing now is to investigate how your internal network is setup to send mail OUT to the WWW. And then take measures to correct the configuration issue, and/or correct the root cause of the exorbitant amount of attempted outbound email connections initiated in the first place. In most cases the best thing to do is have your local network technician or your local "Exchange Server Admin" troubleshoot and take measures to resolve the issue.

(Additional SMTP server host names this pertains to are listed as follows; smtp.conversent.net, smtp.choiceone.net)

Additional notes are as follows;

In most cases this is not ndicating to the client that their systems are sending out SPAM. This can be misleading but in most cases there was a completely different root cause. For example., many times these connection attempts are a result of an internal mail server trying to clear its queue, it may also be a result of virus\trojan or bot activity on ONE workstations, AND it is more often found to be a router or switch which is misconfigured trying to send logs via email. So if this "offending" device is located outside client's owned firewall they have in place no logging is found for this connection. This is probably the #2 root cause after the in-house client owned mail servers.

Resolutions:

If we find that they have an internal mail server we need assist the client in verifying their PTR and MX records are correct, and then migrating them off "smart hosting". The only reason they are bouncing mail off of our boxes is to reduce their work load for managing blacklisting and spam. This is a client side issue based oon the fact that the client chose to relay mail direct to the WWW from their own mail server and therefore the client should be advised against "smart-hosting" thru One Communications email relays.

Client side Virus activity is a given and will be extreamly evident thru a look at the raw flows, they need to clean house before reseting the counters.

Client owned firewall syslog events sent out via email need either to be correctly configured according to the manufacture specific documentation or completely disabled.

In the rare cases their systems may be sending SPAM as a result of other viral\BOT activities. It will be very evident in the raw flows if these smtp connections are being made to many different addresses or to sequential addresses outbound. In which case cleaning the infection will stop this traffic.

Testing:

If the client is getting smtp connections denied error with "451 errors too man connections recieved this hour from <IP>" they are being denied as a result of exceeding the 500 connection /hr limit.

If the client is able to "telnet 69.95.226.254 25" from the command line and gets a 220 connection or 500 connection they are able to send mail via our servers.

Feel free to refer a client trouble ticket to Network Security as we can often lead these into a discussion of security solutions or proactive measures for the client to take in the future.

Hostmaster FAQs

Q: What is the difference between a "Domain Transfer" and a "DNS Transfer"?

A: "Transferring a domain" and "transferring DNS" are two completely different things. Transferring a domain implies a Registrar transfer (i.e. from Register.com to COOL-Domains.net) and has no effect on DNS services. Transferring DNS to One Communications requires that we first have a copy of the zone file on our nameservers before the transfer is affected. A client who transfers DNS by changing their nameservers to One Communications without following the process will find that all their e-services will be down for 12 to as long as 48 hours, following the point when we receive a valid zone file. If you would like to transfer DNS for your domain to One Communications, please contact your account representative.

Q: What, precisely, does DNS do?

A: DNS = Domain Name Service. Nameservers translate domain names into IP addresses, very similar to the way phone books translate names into phone numbers. The Internet only works with IP addresses, so DNS is required for all online services (such as web sites and email) to work properly.

Q: Can I have more than one domain name?

A: Yes. Businesses often have one "main" domain name, but own several logical names that are equivalent. Some purchase domains with common misspellings, and others purchase domains that are specific to their business offerings or services.

Q: I have a “____@OneComMail.com” email address. Do I need a domain name?

A: That is up to you. If you have printed material with this email address, you may not want to make an immediate change to your email addresses. You can, however, go ahead and register a domain name that is specific to your company name, in case you would like to change your email address in the future or have a web site designed. You can also register a domain name close to your company name and then contact your One Communications sales representative to have your email addresses changed to your new domain.

Q: Once I register my domain name, what do I need to do?

A: If you would like to activate your new domain name, contact your One Communications account representative or our Customer Care department at 1.800.962.2488. Tell them you have just registered a domain name with COOL-Domains.net and would like to place an order for e-services.

Q: I registered a new domain at COOL-Domains.net (or transferred one to COOL-Domains.net). How do I get e-services (email, web hosting, etc.)?

A: Just call your One Communications account representative. He or she will place the order for you.

Q: If I transfer my domain to COOL-Domains (a registrar transfer), is there a possibility my e-services will be down?

A: No. Unlike a DNS transfer that must be carefully planned and executed, a registrar transfer is completely safe with no risk of service outage. It is more of an administrative change than a functional change.

Q: If I transfer my domain to COOL-Domains (a registrar transfer), does that mean One Communications now owns my domain?

A: No. Domain registration has nothing to do with "ownership". The "registrant" retains all rights for use of the domain. The "registrar" simply handles the registration of the domain.

Q: So if I "own" my domain name, why do I have to pay periodically to "renew" it?

A: Good question! No one actually owns a domain name. Domain names are simply "leased". As long as the renewal fees are paid (to the registrar), you have full use of the name. Once a domain expires, it is released and available for anyone to register.

Q: I emailed Domains@OneCommunications.com with a request to change my authoritive nameservers and I received a reply that they cannot do this. Why is that?

A: One Communications never transfers DNS away from One Communications – we cannot be sure that the new provider has DNS set up properly and is ready to provide the service. If they are not ready, then changing nameservers will deactivate all e-services for that domain (email, web site, etc.). It should always be the NEW DNS provider who makes this change for a client.

Q: I received a notice from a company to renew my domain name, but it is not COOL-Domains.net (where it is registered). What should I do?

A: Unfortunately, many unscrupulous companies will start contacting clients far in advance of their expiration to trick them into renewing their domain, while concealing the fact that the domain will also be transferred away from COOL-Domains.net to a new registrar. These companies may send emails, mail via the U.S. Postal Service, faxes, or even place telephone calls. You can safely ignore these communications, no matter how threatening or urgent, if they are NOT from COOL-Domains.net or from One Communications. If there is any doubt, you can always send an email to Domains@OneCommunications.com for clarification.

How can I have a reply email sent automatically when someone emails one of our addresses?

This can be handled very effectively by the Vacation Notices feature in Webmail.

First, login to Webmail (through http://webmail.onecommunications.net).

Then select Account Manager, then Vacation Notices. You should see the following:

Simply change the Subject and Message body to your desired text, decide if you want emails forwarded to another address, then click the Submit button.

This feature can be used when the user is on vacation, as the name implies, but also works equally well as an auto-responder for "utility" addresses (info, service, help, etc.).

How do I add addresses to Groups/Lists in my Webmail Address Book?

When you are viewing the Address Book (in Webmail, click Address Book, Browse, and then Show), there is an orange Add To button on top of the list. Before clicking that button, select what you want to add to from the drop-down list immediately to the right of that button. (Select New List to create a new list, or select an existing list to add to.)

How do I enable the new SPAM filters?

SPAM settings are controlled through your Webmail account (http://webmail.onecommunications.net).

Select the desired SPAM Level from the drop-down list and click the Submit button. The higher the level, the more SPAM that is blocked.

Messages identified as SPAM are not immediately deleted; they are moved to the Webmail SPAM folder. Messages in this folder are automatically deleted after 10 days.

Note: The SPAM folder in Webmail is automatically created when the first SPAM message is received, after the user sets their SPAM sensitivity to a level above None. You can even delete the SPAM folder (which deletes all the messages it contains) and the folder will be recreated when the next SPAM message arrives.

For more information, click Help in Webmail and view the Webmail User Guide.

How do I save "draft" copies of email before sending?

After logging in to Webmail, click the Folders button:

Then, create a folder to hold your draft messages (i.e. “Drafts”).

Then, click the Options button:

Select Message Composition under Other Options, and then select the folder you just created from the drop-down list:

Now when you compose a message and want to save your work before sending, just click the Save Draft button. Your message will be saved in this folder.

To retrieve the message to edit and/or send it, open your Drafts folder, click on the message, and then click Resume.

How do I send you "message headers" when diagnosing email problems?

Simply "forwarding" an email message to troubleshoot email problems does not forward the complete set of headers that are necessary to trace the route of the email. This note provides the steps for Outlook and Outlook Express to send headers to One Communications for analysis.

From Outlook:

Right-click on a message and select Options.
Click in the Internet Headers window, and type Ctrl-A, Ctrl-Insert, to close that window.
Create a new message.
Right-click in the body of the message and select Paste.

From Outlook Express:

Right-click on a message and select Properties.
Click the Details tab, and click Message Source.
Type Ctrl-A, Ctrl-Insert, and then close both windows.
Create a new message.
Right-click in the body of the message and select Paste.
Add some descriptive information and send.

How do I setup and configure email using Outlook, Outlook Express, Netscape, Eudora or Thunderbird?

Visit http://www.onecommunications.com/support/setting-configure-email.aspx for detailed information.

How do I use the Spell Check function in Webmail?

Log in to Webmail, and then click Compose to open the message composition window. After entering the desired text, click the Spell Check button to open the spell check window.

Each misspelled word is highlighted, in sequence. The user can ignore the spelling (for each instance or all instances), correct the spelling using the word in the top right window, or select from the list below. If a properly spelled word is highlighted, click the Learn button to add this word to your personal, supplemental dictionary.

Note: The words in a user's supplemental dictionary are stored in a cookie file on the user's PC. Naturally, the user must allow accepting cookies, and that cookie only exists that machine. During the course of regular maintenance, the user should not delete the cookie.

Once the text is acceptable, click OK to replace the text in the Compose window with the corrected text, or cancel to abandon the changes.

I am receiving bounced emails for messages that I never sent. Is there a problem with the mail server?

No. This is a common problem caused by Spammers, and is all about forged email addresses.

Here are some common techniques used by Spammers:

Email Address Harvesting

You send email to a friend or business associate who adds your email address to his/her address book. This may have happened today or two years ago. That person inadvertently opens an email that contains a worm or virus, which proceeds to use every address in the infected machine's address book to send more worms, or may send the list of email addresses to a Spammer.
You provide your email address to an online vendor, chat room, survey, etc., and the host periodically sells the list to a Spammer.
You receive an email that is either offensive or unwanted SPAM (or both) and see that there is a link to click which will delete you from future emails, so you click it. Unfortunately, all you have done is confirmed (by the click of your mouse) that the email address that the SPAM was sent to is at least valid and at most goes to someone who opens the email and reads it.

Email Address Forgery

Most Spammers will not use real return addresses because they will get their accounts shutdown very quickly. Instead, they will often use fake but plausible addresses or real harvested addresses. (Almost every large domain will have a 'bob@domain.com', very few will have 'yrt299@domain.com', so Spammers will use the high probability of the former, rather than the latter.) They also use lists of valid email addresses (such as your own) just for the purpose of diverting bounced messages. If messages bounce, Spammers don't want them coming back to THEIR mailboxes. So before you think that there is a problem with your mail server, or that someone you know has sent you unwelcome email, be sure you know who really sent the email.

I cannot send out email from my One Communications account using Outlook – I get an error message. What's wrong?

If you attempt to send email and get an error message similar to the following, then you are most likely NOT connected to the Internet via One Communications:

Your message did not reach some or all of the intended recipients.

Subject:
Sent: 11/11/2003 10:10 AM

The following recipient(s) could not be reached:

'SomeUser@SomeDomain.com' on 11/11/2003 10:10 AM
553 sorry, that domain isn't in my list of allowed rcpthosts
(#5.7.1)

When sending email, you must use the SMTP server that is provided by the company that is connecting you to the Internet.

A Common Scenario: You use a laptop at the office where One Communications is your Internet connection, so your SMTP server is “SMTP.onecommunications.net”. You can send and receive email at the office without any problems. When you take your laptop home, you connect to the Internet via your cable company (cable modem) or dial-up, or something that is NOT through One Communications. You find that you can receive email OK, but sending email always results in an error message similar to the above example.

The Solution: You need to use the SMTP server that is provided by your home service. Be sure NOT to change POP settings. An alternative is to log in to Webmail (http://webmail.onecommunications.net) to send and/or receive email when not in the office.

I have two email accounts on one computer. I set them up under Tools/Accounts. The first account on the list is marked default, and then the second one is under that. How do I access the second account and how do I know what account I am looking at when I log in to Outlook?

First, if you set these up under Tools/Accounts, it sounds like you are using Outlook Express. (Outlook, the big brother of Outlook Express, uses Tools/Services.)

By default, all mail accounts are processed when you click the Send/Recv button. If you do not want this to happen, go to Tools>>Accounts, and then right-click on the account you want to change and select Properties.

Near the bottom of the General tab is a check box labeled “Include this account when receiving mail or synchronizing”. Just uncheck this box and click OK, and then Close. Now, when you want to get mail from that account, click Tools>>Send and Receive. On the displayed menu, click on that account to get its mail.

As for knowing from what account a particular message in your INBOX came, you can open the message and look at the "To:" field. Or even better, create folders under your INBOX for each account. Then create filters (Tools>>Message Rules>>Mail) to automatically move messages to the correct folder when they are received.

I received an email saying that my account was over quota. How do I free up space?

If you receive an email that says you are over quota, it means there are email messages on One Communications servers that are using more storage space than provided.

If you use Webmail, all email messages in all folders count towards quota: INBOX, Sent folders, SPAM, Trash, etc.

Log in to your Webmail account and delete some messages to free up space. If your Trash folder has a lot of messages, you can free up that space by "emptying the trash" – click the Empty Trash icon on the main toolbar:

You can also empty or delete folders from the Folders menu.

Note: If you have your SPAM filters enabled, you can either empty the SPAM folder or delete it altogether. The SPAM folder will be recreated when the next SPAM message arrives.

You can check your space usage in Webmail by selecting the Account Manager.

Note: The Quota information displayed in the Account Manager is not a real-time display. However, you can force a recalculation by clicking the Recalculate Now! link on that page.

If you do not use Webmail, and view your email with Outlook, Netscape, etc., you may have your account set up to keep mail on the server. In Outlook, the Account Properties window on the Advanced tab looks like this:

If the "Leave a copy of messages on server" option is checked, messages will be downloaded to your PC, but never be deleted from the One Communications servers. Eventually, they will build up and you will receive an "Over Quota" email message. In this case, uncheck this box on your PC's mail client. (There are similar settings on all the mail clients.)

While this takes care of things going forward, you will, however, still need to log in to Webmail to delete messages that are currently being stored.

A similar situation can exist if your One Communications email was set up with Copy & Forward service. This keeps a copy of each email on our servers, but forwards the email to another account. The remedy is the same – log in to Webmail and see where messages are accumulating, and then delete them as necessary.

If you routinely approach quota, speak to your One Communications representative about purchasing additional storage space.

I use Outlook 2002 to read my email and I keep seeing many duplicate messages being downloaded. What's wrong?

Nothing – it's a known problem with Outlook 2002. See the following article in Microsoft's knowledgebase for more information:

http://support.microsoft.com/default.aspx?scid=kb;en-us;888238

I want to get my business and personal email at home. If I set up multiple Outlook profiles, one with One Communications as the incoming server and the other with my home ISP as the incoming server (both with my home ISP as the outgoing server), will that work?

Yes. For any given email account, the associated profile will have the same Incoming mail information: POP3 server name, Account Name and Password. What changes is the Outgoing mail (SMTP) server name, which must correspond to the SMTP server provided by the company whose Internet connection is being used. As you connect to the Internet through various providers, you can either edit a given profile, or simply create a profile to be used with each connection.

For example, if you are on a One Communications DSL/T1 connection, all outgoing mail for any account can be sent via SMTP.onecommunications.net. If you are out of town, and connect through another ISP, you'll need to find the name of their SMTP server.

As far as separating incoming mail from multiple accounts, both Outlook and Outlook Express use a common INBOX folder where all mail is received. The common solution to segregate mail from different accounts is to create additional folders within the INBOX folder, and then create rules (Tools>>Rules Wizard) which will automatically move incoming mail from the INBOX to the appropriate folder.

Note: If you plan on using an AOL dialup account on the road, you will be able to receive your POP mail normally, but will not be able to send mail via Outlook because AOL does not provide SMTP servers. They force users to send mail through their own interface.

Important Email Security Notice: Reported Phishing Scam Received by Customers

As recently as August 1, 2008, One Communications received reports of an emailed request for account information (email address, user name and password). Several different versions of this message have been seen.

The messages variously threaten that “anyone who fails to do this will automatically lose his/her own account” or "Failure to do this will immediately render your email address deactivated from our database".

One Communications will never ask for your email account password. Please ignore the request and delete the message. This is a phishing scam and is not a legitimate request from One Communications.

If you have already responded to one of these messages, please login to your webmail account (http://webmail.onecommunications.net), go to the Account Manager and change your webmail password. You will then need to update your email password for your local email client as well (i.e. Outlook, Netscape, etc.).

Please feel free to contact Customer Care at 1.800.962.2488 with any additional questions.

Webmail users will see this on their next login:

Is the SPAM folder in Webmail the same as the Trash folder, or must I create it? I only see INBOX, Read and Trash.

If you have SPAM Assassin enabled, the SPAM folder is created automatically when the first SPAM message is received.

You can delete the whole SPAM folder if you wish and it will recreate automatically. (Messages in SPAM will be deleted after 10 days otherwise.)

Mail is being returned to me with this error – "553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)". What does it mean?

That error means that you are trying to send email using the wrong SMTP server.

SMTP related errors may have different numbers and slightly different wording (i.e. "Relay access denied for...") but are all related to the same problem.

The SMTP server that you use to send email is not determined by who hosts your email, but is rather a service of your Internet connection provider. All ISPs provide their customers with SMTP servers, regardless of their email address.

One of the most important reasons for doing this is so Spammers cannot connect to an unauthorized SMTP server and use it to send mountains of SPAM. Occasionally, Spammers find these "open" systems and flood them with mail. These systems are known as "open relays" and are the result of careless configuration by the operator.

Clients commonly see this error when they configure their PC at work and then try to use the same configuration at home, where the Internet connection is provided by a different ISP.

The fix for this situation is to change the SMTP server in the mail client to match the one provided by the ISP.

One Communications data clients can set their SMTP server setting in their email client to: SMTP-pop.onecommunications.net. Using this setting, every time you POP your email, you will be authorized to send email from that IP address regardless if you are on the One Communications network or not.

One Communications is providing backup MX services for me. How long will it take for messages to be redelivered after my mail server is back online?

Messages will be redelivered based on the following chart:

Delivery Attempt	Seconds	D-HH:MM:SS
1	0	0-00:00:00
2	400	0-00:06:40
3	1600	0-00:26:40
4	3600	0-01:00:00
5	6400	0-01:46:40
6	10000	0-02:46:40
7	14400	0-04:00:00
8	19600	0-05:26:40
9	25600	0-07:06:40
10	32400	0-09:00:00
11	40000	0-11:06:40
12	48400	0-13:26:40
13	57600	0-16:00:00
14	67600	0-18:46:40
15	78400	0-21:46:40
16	90000	1-01:00:00
17	102400	1-04:26:40
18	115600	1-08:06:40
19	129600	1-12:00:00
20	144400	1-16:06:40
21	160000	1-20:26:40
22	176400	2-01:00:00
23	193600	2-05:46:40
24	211600	2-10:46:40
25	230400	2-16:00:00
26	250000	2-21:26:40
27	270400	3-03:06:40

Usenet News Feed Update

One Communications Usenet Newsfeed Transition Details

As part of the upcoming transition of backend services, minor housekeeping will be necessary to ensure that customers continue receiving newsgroup headers without interruption. Below are the steps necessary to purge and reload newsgroup headers in your news clients.

On March 31, 2008, newsgroup header numbering will be reset to match that of our new backend services. On that date, you will be able to easily make this transition by simply purging and reloading the headers of the subscribed newsgroups in your news client. Instructions for conducting this action in various news clients are included at the end of this email. If your preferred client is not included, please refer to the specific help documentation for the client.

NewsBin Pro:

1. Select all newsgroups you are subscribed to. To select all newsgroups, click on the first group then hold the shift key and click on the last group.

2. From the Groups menu, select "Post Storage", then "Delete Stored Posts".

3. Download headers again. For large binary newsgroups, this may take a long time. To limit the headers, right-click on the newsgroup name and select "Download Special".
----------

NewsLeecher:

1. Select all newsgroups you are subscribed to. To select all newsgroups, click on the first group then hold the shift key and click on the last group.

2. Right-click on the selected newsgroups. From the popup menu, click
"Selected: Purge Group".

3. Download headers again. For large binary newsgroups, this may take a long time. To limit the headers, right-click on the newsgroup name, select "Update" and choose the number of headers you would like.
----------

Thunderbird and Outlook Express:

Because these are primarily email clients, there is no way to purge headers. Essentially, you will need to unsubscribe, then re-subscribe to the desired groups.

It may be easiest to remove your current server, then re-add that same server, download the list of available newsgroups, and re-subscribe to your desired newsgroups.
----------

Forte Agent:

1. Select the folder containing your newsgroups, right-click and select "Purge".

2. Download headers again. For large binary newsgroups, this may take a long time.

----------

If you have any additional questions, please email, Domains@OneCommunications.com

We are planning to do a large mailing. Do we need to know anything special before proceeding?

First and foremost, any actions must not violate the One Communications Acceptable Use Policy. In particular, emailers should take note of the sections entitled Electronic Mail or "Email" and Unsolicited Bulk Email Support Services and Email Address Harvesting.

In simple terms, sending unsolicited, bulk email is prohibited. A Client or user who sends bulk email to "opt-in" lists must have a method of confirmation or verification of subscriptions and be able to show evidence of subscription for a user who complains about receiving unsolicited email.

If your email plan conforms to the One Communications AUP, then here are a few additional guidelines:

If you expect to send around 1000 or more messages per day, or your messages have 50 or more recipients, they should be sent through:

SMTP-big.onecommunications.net

(If you send less than that, they may be sent through the normal SMTP.onecommunications.net configuration.)

If you expect to send more than 10,000 messages per day, you will need to notify us first via email at Domains@OneCommunications.com with details of your plans.

Mail campaigns of more than 10,000 are best handled by setting up your own internal server, or by a specialized mail program. Email us at Domains@OneCommunications.com to request information.

We have an in house mail server. Can One Communications provide backup MX service?

Yes, also known as "email spooling", One Communications offers this service to clients who maintain their own mail servers and need this for continuity of service for times when their server is down or unavailable. Contact One Communications at 1.800.862.2488 for more information.

WebMail User Guide

The User Guide for One Communications' WebMail can be downloaded below (requires PDF reader), or by clicking 'Help' while in WebMail.

What can I use to read newsgroups and how do I set it up?

You can use Outlook Express as a news reader per below:

When you use the wizard in Outlook Express to setup newsgroups (Tools>>Accounts>>News (tab)>>Add>>News...), use “news.onecommunications.net” when asked for NNTP server.

Note: You can only access this server from a One Communications data line (DSL, T1, etc.).

What is the maximum size for (outgoing) attachments? And for incoming mail?

The maximum, outgoing attachment size is 30 MB. Some mail systems do not allow attachments this large, so it's a good idea to check with the recipient before sending.

Incoming attachment size is only limited by the amount of free disk space (quota) that is available to a user's mailbox.

Also, note that the transfer of binary files (such as .pdf's, .doc's, .xls', etc.) across the Internet requires that these attachments be encoded for transmission. The process of encoding, which is automatic and does not require user attention, increases the size of attachments, sometimes significantly. This means that the effective maximum attachment size is variable and less than or equal to 30 MB.

What is the name of the outgoing SMTP server?

Our SMTP relay is named “SMTP.onecommunications.net”.

Note: This can only be used when connected via a One Communications data connection (DSL, T1, etc.).

What RBL's does One Communications use to block SPAM and email with malicious intent?

One Communications uses the SPAMhaus RBL's* (SBL and XBL). This is the first level of defense and reduces the volume of mail going on to anti-virus and anti-SPAM systems that are in place, before final delivery to the client.

* RBL = Realtime Blackhole List, which is a list of open mail relays and rogue sites. Subscribers to an RBL reject all mail and/or connection attempts from RBL'd IP addresses, effectively cutting off irresponsible/incompetent domains from the rest of the Internet.

Web Hosting

Q&A on Choice One Web Hosting and Dedicated Managed Servers

Be "OnGaurd" against Internet fraud, secure your computer, and protect your information.

A very good outside resource regarding best practices on the Internet can be found here;

http://onguardonline.gov/

Do we have unlimited access to update our web pages?

One Communications offers unlimited FTP access to web sites. You can upload and download as many files as you would like 24 hours a day, with no extra or hidden charges.

Error 451 - Too many connections received this hour from

At that point, any further connections attempts to SEND email thru smtp.onecommunications.net will result in the following error:

451 - Too many connections received this hour from <IP address>

If a client does not make an SMTP connection to our servers for one solid hour they are automatically removed from this automated deny listing.

Are you attempting to relay or send a BULK Mailing?
- If so you should be using smtp-big.onecommunications.net OR be sure you are using your own email server to relay email OUT to the WWW using DNS resolution
Are you running your own email server on your LAN? (i.e. Microsoft Exchange Server, SendMail Server or any other email server to send mail OUT to the WWW via SMTP)
- If YES check to ensure you have your email server set up to "use DNS resolution to send outbound mail via SMTP" and NOT a "smart host"
- If you have your own mail server "in-House" in order to send mail OUTBOUND to the WWW, you should not be using smtp.onecommunications.net as a "smart host"
If you do not have your own outbound email server "In-House" and you rely strictly on smtp.onecommunications.net to send mail OUT to the WWW, you may have been comprised by a SPAM virus or trojan of some sort, or your IP address may compromised as an "OPEN RELAY"