Dave Jones: > I have read the documentation and searched the web without any success. > > Is it possible to setup a specific destination domain to not bounce > but always tempfail/requeue?
You could configure a dedicated SMTP client in master.cf with "-o soft_bounce=yes", combined with transport_maps to send mail there. Or, you could use smtp_reply_filter to modify the server reponse. > mailin-02.mx.aol.com[64.12.88.163] said: 521 5.2.1 : (CON:B1) > http://postmaster.info.aol.com/errors/554conb1.html (in reply to end > of DATA command)) CON:B1 means: "The IP address has been blocked due to a spike in unfavorable e-mail statistics." Clearly, retrying an unfavorable peak does not help. Wietse
