There was an error sending your message: Failed to connect to localhost:25 [SMTP: Failed to connect socket: Connection timed out in roundcube

ARUN Post in FIREWALL, MAIL
0

While trying to send out mails through roundcube I am getting the error :

There was an error sending your message: Failed to connect to localhost:25 [SMTP: Failed to connect socket: Connection timed out

Solution :

vi /etc/csf/csf.conf

make sure that SMTP_ALLOWLOCAL = 1

Restart csf    : csf -r and the problem is fixed

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