Russell Jones: > Ah that makes sense! > > This problematic mail server does announce DSN when you telnet to it, > while Google, Yahoo etc do not announce DSN support. > > Thanks for your help. Final question (hopefully), is there a way to > ignore DSN announcements from remote servers and just treat them as if > they don't support DSN, that way I can get the relay/success emails I > need? I've read through the DSN readme > (http://www.postfix.org/DSN_README.html) and it doesn't appear to cover > that (if it's an option). I also searched for "dsn" on > (http://www.postfix.org/postconf.5.html) for main.cf options for doing > this with no luck.
http://www.postfix.org/postconf.5.html#smtp_discard_ehlo_keyword_address_maps (that's smtp, not smtpd). Or, more radically, http://www.postfix.org/postconf.5.html#smtp_discard_ehlo_keywords Wietse
