Notifications
Clear all
Topic starter
11/02/2023 09:44
Hello.
We tryed to send many message and recieved error "warning: Connection concurrency limit exceeded: 51 from unknown[<host_ip>] for service submission"
How i can change this limit?
11/02/2023 14:06
That's postfix default limit. You can change it setting smtpd_client_connection_count_limit option, like this
su - zextras postconf -e 'smtpd_client_connection_count_limit = 200' postfix reload