>> Webmail
http://host1.dns2host.com/webmail
or
https://host1.dns2host.com:2096/
or
http://DOMAIN/webmail
>> Descktop / Mobile web client
Access using any IMAP / POP3 client like Thunderbird or outlook or using this url
The client should be able to auto discover the configuration but if it's failed you could use this manual one
Free desktop client Thunderbird https://www.mozilla.org/en-US/thunderbird/
You can manually configure your mail client using the settings below:
Secure SSL/TLS Settings (Recommended)
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Username: USER@DOMAIN
Password: Use the email account’s password.
Incoming Server: host1.dns2host.com
IMAP Port: 993
POP3 Port: 995
Outgoing Server: host1.dns2host.com
SMTP Port: 465
Authentication is required for IMAP, POP3, and SMTP.
Non-SSL Settings
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Username: USER@DOMAIN
Password: Use the email account’s password.
Incoming Server: mail.DOMAIN
IMAP Port: 143
POP3 Port: 110
Outgoing Server: mail.DOMAIN
SMTP Port: 25
Authentication is required for IMAP, POP3, and SMTP.