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
