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Corporate Domain Email Settings (Plesk Subscription Users)

Introduction to email

Your NCW DV (Plesk) service is always ready to accept messages using an email client such as Microsoft Outlook or Apple Mail (or any other standard email client).

POP and IMAP are the two most common email protocols on the internet. They both allow an email client to communicate with your services, but they do so in very different ways.

If you need instructions on adding email accounts to your (dv) Dedicated-Virtual Server, you'll find that information here: Creating a POP/IMAP email account.

How POP works

POP (Post Office Protocol) is the older of the two methods for mail retrieval. In the most basic sense, POP simply grabs emails from your server and downloads them to your email client.

When using POP, emails are deleted from the server and will not be available if you attempt to access your mail from another email client or webmail. Some email clients offer a feature to leave a copy on the server. We have seen many email issues from this feature being used improperly. For these reasons, we suggest using IMAP whenever possible.

Also, on any NCW service, junk mail may be routed into a Spam Folder which is accessible only to IMAP connections. Simply put: If you're using POP, you may not be aware that there are potentially thousands of messages being put into an unchecked spam folder. If you decide to use POP, you can still view these messages using the webmail client for your service.

How IMAP works

IMAP is the preferred method of connecting to your email server. It simply displays the contents of your mailbox as they appear on your server. Also, by default, spam folders are configured to be IMAP-Only, meaning you will need to use an IMAP connection in order to view and delete messages. Once again, we recommend using an IMAP connection to both keep an eye on your Spam folder, and to make sure you don't download email from your server that you would like to read elsewhere.

With this method be careful of over loading your server-side mailbox and archive your messages regularly on your local computer.  We are not responsible for missing messages if your mailbox becomes corrupt because it is too large.  Ultimately you need to save a copy of your messages on your local computer to best ensure you have a copy of important messages.

Email Security

Many customers travel and want to securely check their email from various locations such as a wireless hotspot. For these customers, we offer the ability to use a SSL (Secure Sockets Layer) connection. This will allow any email client to connect to your NCW over an encrypted connection. We encourage all of our customers to use a secure connection when possible.

Quick Settings

Mail Protocol:  POP3 or IMAP
Mail Servers:
Incoming:  mail.(yourdomain).(tld)     Outgoing:  mail.(yourdomain).(tld)*    Example:
* ensure that you enabled SMTP Authentication for outgoing email.  Otherwise you WILL NOT be able to send email.

Account User:  (your full email address)  example:  user@(yourdomain).(TLD)

Email Port Numbers

We use the standard email ports for all of our services. Below is a list of these commonly used ports:

Incoming Connections

  • IMAP, non-SSL: 143
  • IMAP, SSL: 993
  • POP, non-SSL: 110
  • POP, SSL: 995

Outgoing SMTP Connections

  • SSL: 465
  • non-SSL: 25 (or 587)


Q: What is the preferred method to connect to NCW Mail service, IMAP or POP? 
A: Whenever possible, we encourage all customers to use an IMAP over SSL for improved performance and security.

Q: Do I need to purchase a SSL Certificate in order to make an SSL connection for email? 
A: No, you can use our default SSL Certificate.  However you may see SSL warnings using this method from time to time.

External Resources


Email Information

The following will show you the information needed to use email with your NCW (DV) server. We encourage secure connections so the following information is provided assuming you are making a secure IMAP connection with SSL.

Incoming Mail Server

Your incoming mail server:

  • Example: mail.(yourdomain).(TLD) 

Incoming Port

We are making a SSL connection use port 993.  (or select the default ports)

  • Example: 993

Incoming SSL

We are making a secure connection so make sure SSL is enabled for your incoming mail settings.

  • Example: Yes, SSL Enabled


The username is going to be the full email address which you or the account owner created.

  • Example:


The password is set within the Plesk Control Panel. Be sure to use a strong password, and change it regularly. If you need to change your password, please do the following:

  1. Log into the Plesk Control Panel for your domain.
  2. Click on the Mail tab at the top.
  3. Click on your email address.
  4. Under the General tab, enter your new password twice.
  5. Click OK to save your edits.

Outgoing Mail Server

Your outgoing mail server:

  • Example: mail.(yourdomain).(TLD)

Outgoing Port (SMTP)

Your outgoing port numbers may need to be set manually. Since we are using a secure connection, you will use port 465. (or use default ports)

  • Example: 465

Outgoing SSL

We are making a secure connection so you will want to make sure SSL is enabled for your outgoing mail settings, just as you did for the incoming settings.

  • Example: Yes, SSL Enabled


The (dv) Dedicated-Virtual Server comes with the Atmail webmail client, allowing you email access from any browser.

  • Example:

Third-party applications

There are many great email applications that work with all of our services.  We do not provide support for 3rd party applications.  For Training and setup of 3rd party applications you should contact the support of that application.  (ie.  Microsoft or Apple)

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