telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. 220 AAAAAAA-AAD.AAAAAAAAAAAA.com ESMTP Postfix ehlo localhost 250-AAAAAAA-AAD.AAAAAAAAAAAA.com 250-PIPELINING 250-SIZE 31457280 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250 8BITMIME quit 221 2.0.0 Bye
Server does not show DSN capabilities i.e 250-DSN how to enable that ? * postconf output ------snip--------- smtp_discard_ehlo_keyword_address_maps = smtp_discard_ehlo_keywords = ------snip------------- * The smtp server-client response. * On the server on which DSN does not work --------------------------------------------------------------------------- 0[b2b140]: SMTP Send: MAIL FROM:<a...@aaaaaaaa.com> SIZE=390 0[b2b140]: SMTP entering state: 0 0[b2b140]: SMTP Response: 250 2.1.0 Ok 0[b2b140]: SMTP entering state: 5 0[b2b140]: SMTP Send: RCPT TO:<aaaaaaaaa...@gmail.com> --------------------------------------------------------------------------- * On another server where it works --------------------------------------------------------------------------- 0[a2b140]: SMTP Send: MAIL FROM:<aaaaa...@aaaaaaa.com> RET=FULL ENVID=< 4f02a9cd.4060...@directi.com> SIZE=391 0[a2b140]: SMTP entering state: 0 0[a2b140]: SMTP Response: 250 2.1.0 Ok 0[a2b140]: SMTP entering state: 5 0[a2b140]: SMTP Send: RCPT TO:<aaaaaa...@gmail.com> NOTIFY=SUCCESS,FAILURE,DELAY ORCPT=rfc822;mailhostingser...@gmail.com --------------------------------------------------------------------------- TIA, On Fri, Dec 30, 2011 at 8:50 PM, Wietse Venema <wie...@porcupine.org> wrote: > pritam raote: > > Hello, > > > > * DSN(sender delivery status notification) does not work on my box > running > > postfix. > > * the version of postfix on the non working box is postfix-2.8.7-1 > > DSN works only if: > > 1 - The POSTFIX SMTP server sends the DSN announcement to the REMOTE > SMTP client. > > 2 - The REMOTE SMTP client (Thunderbird) requests DSN support. > > To find out if (1) and (2) happen, you need to report the SMTP > commands and replies between the POSTFIX SMTP server and the REMOTE > SMTP client (Thunderbird). You can anonymize the email address. > > http://www.postfix.org/DEBUG_README.html#mail > > Wietse >