Linux - Error connection timed out 110, Solved - Error connection timed out 110 Cant open SMTP stream in webmail

Error connection timed out 110

When you receive some error like error connection timed out 110, when you try to sent mail through webmail then probably that is because of firwall which installed on the server is not allowing the connections to the SMTP service.
ERROR: Message not sent. Server replied: Connection timed out 110 Cant open SMTP stream.

If you have csf firewall on the server please check its configuration for the parameter SMTP_BLOCK the configuration file is /etc/csf/csf.conf

# vi /etc/csf/csf.conf

   SMTP_BLOCK = "1" 

If the CSF firewall is enabled then disable the above entry in the firewall.

Disable the firewall by changing SMTP_BLOCK to zero(0)

  SMTP_BLOCK = "0"

Once the SMTP block is disabled in firewall then you can sent mail through webmail successfully.

The topic on Linux - Error connection timed out 110 is posted by - Math

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