Server in lan mail.server.com connection time out Thunderbird

exim4 + dovecot mail work from internet! I cant connect to server from my PC same LAN as server.

if in Thunderbird type mail.server.com then connection time out

or another error
Oct 25 23:39:25 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=192.168.3.12, lip=192.168.3.11, TLS handshaking: SSL_accept() failed: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42, session=

Some routers does not allow look up of an internal ip. Easiest way is probally is editing the local computer hosts file and add

local_ip mail.server.com and restart the browser.

other services - games - web brouser cat find and work serve.com
only thunderbird cant

Not an issue with Hestia…. Hestia does not preform look ups and so on….

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