Answer by adaptr for Postfix deferred email - How to expire so bounce-back...
Use postqueue -f as root to flush the entire queue; this will cause delivery to be re-tried. If the remote server really reports a 550, then the messages will not be deferred; they will be rejected,...
View ArticlePostfix deferred email - How to expire so bounce-back email gets sent back
My hosted email server is "Refusing to talk : 550" with my postfix server. Gmail, Yahoo, Hotmail all accepts them fine. All of sudden hosted email provider decided not accept email from my server. I...
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