> On Jun 6, 2019, at 2:15 PM, @lbutlr <krem...@kreme.com> wrote: > >> On Fri, May 31, 2019 at 01:29:11AM -0600, @lbutlr wrote: >>> mail postfix/pipe[78386]: 45FZmb6nfgzdrvL: >>> to=<backup+151.kremels-kreme@<LOCALDOMAIN>>, relay=dovecot, delay=0.03, >>> delays=0.01/0.01/0/0.01, dsn=2.0.0, status=deliverable (delivers to >>> command: /usr/local/libexec/dovecot/dovecot-lda) >>> mail postfix/pickup[14015]: 45FZmb6nfgzdrvL: uid=0 from=<root> >>> >>> But nothin there says why the delivery status notification is generated. >> >> This is no real mail. A real delivery would have "status=sent" in it. > > It is a real mail. As I said in the original post, I get the DSN for ever > *BCC* mail. When mail Is delivered to user@domain.tldit is also BCCed to > backup+(day_of_year).user.domain....@domain2.tld
The logs demonstrably show a delivery probe. Delivery probes are created either via "sendmail -bv" or via recipient verification. http://www.postfix.org/ADDRESS_VERIFICATION_README.html#recipient but the latter do not cause a DSN to be sent, and don't inject mail probes via the pickup(8) service (maildrop queue). Your logs showed: mail postfix/pipe[78386]: 45FZmb6nfgzdrvL: to=<backup+151.kremels-kreme@<LOCALDOMAIN>>, relay=dovecot, delay=0.03, delays=0.01/0.01/0/0.01, dsn=2.0.0, status=deliverable (delivers to command: /usr/local/libexec/dovecot/dovecot-lda) mail postfix/pickup[14015]: 45FZmb6nfgzdrvL: uid=0 from=<root> mail postfix/cleanup[78054]: 45FZmb6nfgzdrvL: message-id=<[hidden email]> mail postfix/qmgr[65477]: 45FZmb6nfgzdrvL: from=<[hidden email]>, size=271, nrcpt=2 (queue active) mail postfix/local[78415]: 45FZmb6nfgzdrvL: to=<[hidden email]>, orig_to=<[hidden email]>, relay=local, delay=0.03, delays=0.01/0.01/0/0.01, dsn=2.0.0, status=deliverable (delivers to command: /usr/local/bin/procmail -t -a $EXTENSION) mail postfix/bounce[78605]: 45FZmb6nfgzdrvL: sender delivery status notification: 45FZmb6xXXzdrvd mail postfix/qmgr[65477]: 45FZmb6nfgzdrvL: removed This is unequivocal evidence of use of "sendmail -bv". You're reporting non-use of "sendmail -v", but "-bv" != "-v". Perhaps you have a content filter that is misconfigured to use "sendmail -bv". -- Viktor.
