Dovecot 2.4 / cPanel 132 Upgrade - “Connection reset by peer” with Gmail POP3
Hello,
After upgrading cPanel to 132 i started noticing repeated errors when Gmail tries to fetch emails via POP3.
The log shows messages from Gmail like:
Server return error: "Connection reset by peer: The other server terminated our connection. Please contact your other email provider for more information"
I think that it's due to dovecot changes.
Any advice?
Thank you.
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UPDATE: This post give me the solution:

However i don't know if cPanel team confirm.0 -
Hey there! Can you try the following workaround?
Edit /etc/dovecot/ssl.conf and change
ssl_min_protocol = SSLv3
to
ssl_min_protocol = TLSv1.2
and then
sudo systemctl restart dovecot.service
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Exactly cPRex! I did that and it's working. Will it stay there or should i face the same issue after a reboot or an update?
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Ha - it looks like we posted at the same time!
This change would stay in place until there is an update specifically to this area.
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Confirming that the cPanel update is reverting the conf so not a solution.
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This is likely related to case CPANEL-50271, which is fixed but hasn't been released. Expect to see this in the next major release of cPanel soon:
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I updated the cPanel version to the lastest available a couple of days before and i face the same issue. I manually change the ssl_min_protocol to TLSv1.2 once again in order to stop complaints.
Can i ask if there is a more automatic solution as for this?0 -
I don't have a more automated solution available at this time for this particular issue.
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