I’m trying to send or receive my emails but it’s appears the error “1” in SMTP, with the three available platforms (Horde,RoundCube and SquirrelMail) My mail account is info@alfa-exoplismos.gr. Ty in advance.
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This question was answered by @gndo:
You only have ssh and http ports available, while 443 and 2096 ports are closed. Check your firewall and check for a process listening to your port. From the command line:
# If using ufw firewall interface, check status of open ports ufw status # check program listening on port 2096 lsof -i :2096
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