Horde Error while sending emails

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If you encounter such error while sending mails as :

“Horde error :Failed to set sender: user@emailaddress.com [SMTP: Failed to write to socket: not connected (code: -1, response: )]”

 

Check “SMTP_Block” option in CSF configuration file.

Make sure that “SMTP_Block” is set to “0”. So that it will not Block outgoing SMTP.

Restart CSF Firewall once the changes have been made.

 


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