Josef Karliak via Postfix-users:
what could cause that Postfix do not send DSN of the mail that is
recieved over another server ?
On 05.05.25 08:16, Wietse Venema via Postfix-users wrote:
1) As specified in RFC 3461, the remote SMTP client may disable
delivery status notifications with:
RCPT TO:<u...@example.com> NOTIFY=none
I am not OP but I was curiour if we can check for this somehow.
I guess it should be visible in "postcat" output but I haven't found
any related docs, perhaps I have missed them?
If I set a email client directly to the the server with Postfix,
DSN is generated:
How does the Postfix logging differ between these cases?
Wietse
No DSN : client->smtp1->smtp2
DSN : client->smtp2
Both smtp's IP is in "mynetworks" in the postfix's configuration
What did I missed ?
Thanks and best regards
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