I have a program to reply the spams automatically. After days, I found my postfix email server running very slowly, I checked the mail queue and saw a lot of email stuck there. I think there 2 reasons cause the problem
1, Postfix are trying to connect those domains which are not available until time-out, it cost a lot of time. ( can I set the time-out or other way to avoid that happen)
2, Postfix saves undeliverable email to deferred queue and resend again later would also time consuming ( can I set postfix not to save email to deferred queue)
I appreciate anyone who could give me any lead to slove the 2 probelms.
SamQQ
1, Postfix are trying to connect those domains which are not available until time-out, it cost a lot of time. ( can I set the time-out or other way to avoid that happen)
2, Postfix saves undeliverable email to deferred queue and resend again later would also time consuming ( can I set postfix not to save email to deferred queue)
I appreciate anyone who could give me any lead to slove the 2 probelms.
SamQQ