Tag Archives: cpanel-exim-imap getting restarted

cPanel – Chkservd showing Exim/IMAP getting failed numerous times ?

— Check chkservd logs (/var/log/chkservd.log ) and see if we can find something
like this in-relation to exim

==========================

>> AUTH PLAIN AF9fsdsdxcxcxcX19pspdivxc1k1MGJYek44eXpOMVliWkdOdF
dfTVRWbjNPU29uADlBVEFlMG 1MR0hsMVRESlI2WnFIZ3FRSDWWEXQ0dMYUlqZzVEbTFMY
k1FQUpHJokUtTAn:DWQ=

<< 421 host.xxxx.com Service not available - closing connection exim: ** [421 host.xxxx.com: Service not available - closing connection != 2]

==========================

-- This shows that the check daemon failed to authenticate
with the temporal auth key (exim ) and therefore check is getting
failed.

-- As a result of this, we can find lots of SMTP authentication failures
in exim_mainlog ( both from valid and invalid IP's )

-- To fix this issue with exim-auth key, we need to generate them.

-- # cd /var/cpanel/serviceauth/
# rm -rf exim
# service cpanel restart
# service exim restart

Monitor chkservd logs ( /var/log/chkservd.log ) and make sure things are fine !