Outlook 995 / 465 SSL
cpanel 995/465 not working - Problem on enable port 465, 993, 995 in exim | cPanel ...
Unable to use mail client with ssl or tls
Your server does not support the connection encryption type
cpanel emails not working with windows 7

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Log onto incoming mail server (POP3): Your server does not support the connection encryption type you have specified. Try changing the encryption method. Contact your mail server administrator or Internet service provider (ISP) for additional assistance.
Send test e-mail message: The server responded: 421 Cannot connect to SMT
Send test e-mail message: Outlook cannot connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).
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Failed

Firewall Web mail

Ports SSL SSL

Ports 995 / 465 110 / 587 TLS


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cpanel tls ssl

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Exim Configuration Manager
Mailserver Configuration

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If you must enable TLS 1.0 on the WHM/cPanel server for compatibility, do the following in WHM >> Home >> Service Configuration >> Exim Configuration Manager > Basic Settings:

  1. Ensure that "Allow weak SSL/TLS ciphers" is "On".
  2. Change "SSL/TLS Cipher Suite List" to (this is one long line):


https://support.cpanel.net/hc/en-us/...755.1655140328
Change "Options for OpenSSL" to the following:

:
no_sslv2
Click "Save" at the bottom of the page.
These changes will enable TLS 1.0, 1.1, and 1.2 and should provide compatibility with older mail servers and clients that only support TLS 1.0.

To make these changes for Dovecot,
go to WHM >> Home >> Service Configuration >> Mailserver Configuration, and do the

https://support.cpanel.net/hc/en-us/...755.1655140328



Home Service Configuration Mailserver Configuration
SSL Minimum Protocol TLSv1.2 SSLv3
.

Change "SSL Cipher List" to this (in one long line):


PHP:
ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS 
:
Windows 7: Cannot send from Office 2007/2010 but can send from Office 2013,
Windows 10 working fine for all office versions
7


Exim Configuration Manager
Mailserver Configuration



Try using the server hostname as the mail server address in Outlook.
server.yourserver.com


:
https://support.cpanel.net/hc/en-us/...755.1655140328
https://forums.cpanel.net/threads/ma...issues.646685/