Prerequisites

Login information for the email account associated with your client. If you do not yet have an email account set up for your domain, refer to How to create email accounts in SiteWorx.
The IMAP and POP3 configuration settings and the Nexcess mail server information provided in your Nexcess Welcome Email. If you cannot locate this information, contact the Nexcess support team.

Basic configuration settings for all clients

Username

You must use your full email address for your username, not just the section before the “@.” For example, the username for joe@example.net would be joe@example.net.

Incoming and outgoing mail server

If you use a shared or dedicated server, use the server’s hostname; for example, cloudhost-123456789.us-midwest-1.nxcli.net, sip1-123.nexcess.net, or obp1-01.nexcess.net. Do not use any other domain that has a DNS record that points at the mail server or your domain; for example, mail.example.com.

If you use a server cluster, Nexcess recommends using the DNS instead of the server’s hostname for the sake of simplicity. If you prefer to use the server’s hostname, contact the Nexcess Support Team for assistance.

Account type

Nexcess recommends IMAP protocol over POP3 protocol because IMAP generally possesses all the advantages of POP3 and none of its disadvantages. Refer to Email protocols IMAP versus POP3 for more information.

For IMAP, use port 993.

For POP3, use port 995.

SMTP setting

Use port 587 for the SMTP setting on all email clients.

Encryption

Nexcess servers do not support non-encrypted setups. When specifying the settings for the incoming and outgoing server, select SSL/TLS encryption for incoming and STARTTLS for outgoing.

Client-specific information

Each client has different details about how to set up the account using the above information. Go to the client website for your device to find additional information.

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