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SuiteCRM and Softaculous apps denied email access to server


1 comment

  • cPRex Jurassic Moderator

    Hey there!  This doesn't sound like it would be related to cPanel, but is most likely related to a firewall configuration on the server, or an external firewall if you have one of those configured.

    This should be simple enough to test - you just need to try connecting to those ports from an external system.  A simple telnet test would show this:

    telnet x.x.x.x 143

    where "x.x.x.x" is your server's IP address.  If that doesn't work, on a cPanel server that would indicate a firewall problem as both of those ports listen on localhost and all IPs with the dovecot service by default:

    # netstat -lpn | grep -E '143|993'
    tcp        0      0   *               LISTEN      2374291/dovecot     
    tcp        0      0   *               LISTEN      2374291/dovecot     
    tcp6       0      0 :::143                  :::*                    LISTEN      2374291/dovecot     
    tcp6       0      0 :::993                  :::*                    LISTEN      2374291/dovecot

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