https://wiki.dovecot.org/LoginProcess
On 4/13/2019 2:59 PM, Tahnan Al Anas wrote:
Dear Eric,
One of my server seems getting session block on imap. I am unable to
log on webmail or even unable to telnet on 143 port. After restarting
dovecot, I can log immediately but if I wait 30 sec to one min, again
I am unable to log in. Below are the reports:
telnet:
[root@client html]# telnet localhost 143
Trying ::1...
Connected to localhost.
Escape character is '^]'.
Connection closed by foreign host.
[root@client html]#
[root@client html]# systemctl restart dovecot
[root@client html]# telnet localhost 143
Trying ::1...
Connected to localhost.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5]
Dovecot toaster ready.
a logout
* BYE Logging out
a OK Logout completed.
Connection closed by foreign host.
[root@client html]#
Log:
master: Warning: service(imap-login): process_limit (100) reached,
client connections are being dropped
--
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Best Regards
Muhammad Tahnan Al Anas
