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
@alfaexoplismos - You need to have root privileges in order to punch a hole in your firewall to access the ports that you need for external access. Similarly, setting up ssh tunnels or vpn will require root privileges, and will not help with incoming mail. Contact your admin to help resolve your situation.
Unfortunately, i couldn’t fix the problem. When i trying to run ufw status and lsof -i :2096 it’s appears the following msg: “Alfa- exoplismos is not in the sudoers file. This incident will be reported” . What other can i do? Also, i think that this problem requires server configuration and it’s not " my problem". Ty in advance
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: