RE: Bounce replies are not coming back through relay

2010-04-03 Thread Masao Garcia
Wietse, Maybe I should re-phrase my question. On my Exchange server, if I e-mail an invalid address, it will e-mail be back and tell me that the recipient does not exist. When I e-mail an invalid address using a web/imap/pop hosting provider, I get an e-mail telling me the recipient is not valid

Re: Bounce replies are not coming back through relay

2010-04-03 Thread Wietse Venema
Masao Garcia: > Wietse, > > Maybe I should re-phrase my question. On my Exchange server, if I e-mail an > invalid address, it will e-mail be back and tell me that the recipient does > not exist. When I e-mail an invalid address using a web/imap/pop hosting > provider, I get an e-mail telling me

Re: problems with permit_sasl and unknown_address

2010-04-03 Thread Wietse Venema
Yves Dorfsman: > Wietse Venema wrote: > > > > There's no reject_unknown_* in there, so this does not reproduce > > the complaint. > > Right, because I had commented them out in order to make it work. I put them > back, here's the output of postconf -n It's like sending your brother to the doct

Re: Bounce replies are not coming back through relay

2010-04-03 Thread Wolfgang Zeikat
Wietse Venema wrote: Instead of speculating that "Postfix does not allow bounces to come back", all the evidence you need is in the logfile. Postfix logs ALL mail delivery attempts, including the attempts that fail. "Bounces" normally have an "empty" envelope sender address which should be lo

RE: Bounce replies are not coming back through relay

2010-04-03 Thread Masao Garcia
Wietse, Okay, I think I know what the problem is. Our reply-to addresses are for a domain that's not handled (yet) by our mail servers. We are in the middle of a transition to bringing our e-mail in-house away from an external pop/imap provider but during the transition we'd still like to keep t

Re: Bounce replies are not coming back through relay

2010-04-03 Thread Wietse Venema
Masao Garcia: > Wietse, > > Okay, I think I know what the problem is. Our reply-to addresses are for a > domain that's not handled (yet) by our mail servers. We are in the middle > of a transition to bringing our e-mail in-house away from an external > pop/imap provider but during the transition

Re: Bounce replies are not coming back through relay

2010-04-03 Thread Larry Stone
On 4/3/10 8:24 AM, Masao Garcia at mas...@fshac.com wrote: > Okay, I think I know what the problem is. Our reply-to addresses are for a > domain that's not handled (yet) by our mail servers. We are in the middle > of a transition to bringing our e-mail in-house away from an external > pop/imap p

Fast 5xx-exit before HELO is just a temporary failure?

2010-04-03 Thread Peer Heinlein
Hi! Some mailservers close their session immediatley if the client-IP is listed on RBLs or expected to come from a dynamic IP-range: p...@waffel:~> telnet 71.74.56.244 25 Trying 71.74.56.244... Connected to 71.74.56.244. Escape character is '^]'. 554 5.7.1 - ERROR: Mail refused - <89.204.137.

Re: Fast 5xx-exit before HELO is just a temporary failure?

2010-04-03 Thread Wietse Venema
Peer Heinlein: > Hi! > > Some mailservers close their session immediatley if the client-IP is > listed on RBLs or expected to come from a dynamic IP-range: > > p...@waffel:~> telnet 71.74.56.244 25 > Trying 71.74.56.244... > Connected to 71.74.56.244. > Escape character is '^]'. > 554 5.7.1 - E

Re: Relaying to SPF protected server

2010-04-03 Thread Jose Ildefonso Camargo Tolosa
Hi! This is getting interesting. How, exactly, does mailman (or other mailing list manager) handles this? I mean, I have seen several SPF-enabled domains, and these domains have subscriptions to one or more lists... now, reading the headers for one of the messages of this lists, I got this: S

Re: Relaying to SPF protected server

2010-04-03 Thread Sahil Tandon
On Sat, 03 Apr 2010, Jose Ildefonso Camargo Tolosa wrote: > So... my guess is that the SPF check will go against this mail > address, not the one on the From field. am I right? SPF is against the ENVELOPE, not the HEADER. -- Sahil Tandon

Re: Relaying to SPF protected server

2010-04-03 Thread Wietse Venema
Jose Ildefonso Camargo Tolosa: > Hi! > > This is getting interesting. How, exactly, does mailman (or other > mailing list manager) handles this? I mean, I have seen several > SPF-enabled domains, and these domains have subscriptions to one or > more lists... now, reading the headers for one of