I'm forwarding the email to the list which was sent to rhsoft by mistake. Thanks.
Sent from my Android mobile, excuse the brevity. On Apr 1, 2014 12:42 AM, "li...@rhsoft.net" <li...@rhsoft.net> wrote: > > REPLY TO THE LIST > > Am 01.04.2014 00:16, schrieb Pau Peris: > > Thanks for your reply. > > > > I'm not native english speaker so, although HTML and top posting is not wellcome, i hope grammatical errors are not > > taken that hard. > > > > Jokes a part, I really appreciate your clarification about the return-path and envelope sender, although i'm not > > able to understand how it is related to the issue exposed. Maybe someone can explain it a little bit. > > > > I think the issue i'm suffering is clear. Email clients - desktop and web app ones - provide user Identity edition > > so one can change the sender/from address and not the envelope one. Am i right here? > > > > Following rhsoft tips i managed to reject what i underatand is called email sender forgering through the config > > posted on my first email of this thread. But, as I underatand, there's still a case which I do not understand at > > all how it is working and I think it is not related to envelope sender - check logs at gist URLs peovided af first > > email - where Postfix is not rejecting emails which from address shown at headers do not match login nor auth > > sender maps. > > > > I hope someone can explain what's happening here. > > > > Thank you so much. > > -- > > Sent from my Android mobile, excuse the brevity. > > > > On Mar 31, 2014 10:44 PM, "li...@rhsoft.net <mailto:li...@rhsoft.net>" < li...@rhsoft.net <mailto:li...@rhsoft.net>> > > wrote: > >> > >> > >> Am 31.03.2014 19:26, schrieb Pau Peris: > >> > i really do not know what to answer to you about your last email. > >> > > >> > Anyway, as i understand envelope sender is where a computer are going to respond an email, if needed, and the from > >> > header is where people reply emails. If i'm wrong just an explanation will suffice. > >> > > >> > That said, i'm still wondering - and i do not know if anyone here is able to answer - why Mozilla Thunderbird or > >> > Roundcube get rejected when Editing the From address - at least it looks to me the From address and not the > >> > envelope sender > >> > >> there is no "looks to me" > >> > >> From: Pau Peris <p...@webeloping.es <mailto:p...@webeloping.es>> > >> Sender: owner-postfix-us...@postfix.org <mailto: owner-postfix-us...@postfix.org> > >> Return-Path: owner-postfix-us...@postfix.org <mailto: owner-postfix-us...@postfix.org> > >> > >> above the headers of your message, the "Return-Path" is the envelope > >> > >> > On Mon, Mar 31, 2014 at 6:01 PM, Viktor Dukhovni < postfix-us...@dukhovni.org > > <mailto:postfix-us...@dukhovni.org> > > <mailto:postfix-us...@dukhovni.org<mailto: postfix-us...@dukhovni.org>>> > >> > wrote: > >> >> > >> >> On Mon, Mar 31, 2014 at 05:52:33PM +0200, Pau Peris wrote: > >> >> > >> >> > thanks a lot for your time and the great explanation, but i think that's > >> >> > not what i'm looking for. > >> >> > > >> >> > What i'm trying to accomplish is to make sure the from address used in the > >> >> > envelope is the same address used to login. I don't mind if they use a > >> >> > different reply to address or something similar. > >> >> > >> >> Well, your previous post sure seemed to imply that you wanted to restrict > >> >> the From: address in the message header. Do you know what the term > >> >> "envelope sender address" means in SMTP? I think not. > >> >> > >> >> > I thought smtpd_sender_login_maps plus reject_unlisted_sender and > >> >> > reject_authenticated_sender_login_mismatch would do the trick but there's a > >> >> > case where login address is the same as the sender address - at least > >> >> > that's what it looks like after checking the mail.log - but once i get the > >> >> > email at Google Apps i notice the From header belongs to the forged address > >> >> > edited through the Identity edit form which AfterLogic Webmail provides. > >> >> > >> >> There you go again, talking about the header From. MAKE UP YOUR MIND! > >> >> > >> >> > What i would like is to reject the email when the from address has been > >> >> > edited. > >> >> > > >> >> > I hope you can help me to get a clue here. > >> >> > >> >> First understand that the SMTP envelope sender address is NOT the > >> >> same thing as the message header From: address
