>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. Thank you for this information. Postfix is very powerful so I knew it could be done but sometimes the documentation is difficult to find if you don't know what keywords to search on for advanced configs. >> 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. I know what the message means since I can follow links and read. I have some "special processing" that will take care of this problem and retry delivery but I don't want to give the details on the list. On Tue, May 13, 2014 at 9:47 AM, Wietse Venema <wie...@porcupine.org> wrote: > 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
