On May 31, 2019, at 1:52 AM, Bastian Blank 
<bastian+postfix-users=postfix....@waldi.eu.org> 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>
>> mail postfix/cleanup[78054]: 45FZmb6nfgzdrvL: 
>> message-id=<45fzmb6nfgzd...@mail.covisp.net>
>> mail postfix/qmgr[65477]: 45FZmb6nfgzdrvL: from=<r...@covisp.net>, size=271, 
>> nrcpt=2 (queue active)
>> mail postfix/local[78415]: 45FZmb6nfgzdrvL: to=<krem...@covisp.net>, 
>> orig_to=<krem...@kreme.com>, 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
>> 
>> 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 u...@domain.tld it is also BCCed to 
backup+(day_of_year).user.domain....@domain2.tld

> The "status=deliverable" part describes this as a delivery check.  As
> this delivery check produces a DSN, you are most likely using "sendmail
> -bv" (as root on the local system!), where this is the expected and
> _documented_ result.

As I detailed in the first post, I am *not* using sendmail -bv.

I wrote:
> /usr/local/etc/postfix
> # grep "sendmail -v" * 
> bounce.cf.default:# address...) or for verbose mail delivery (sendmail -v 
> address...).
> 
> main.cf:
> recipient_bcc_maps = pcre:$config_directory/rbcc.pcre
> 
> rbcc.pcre:
> if !/backup.*@/
> /^([^+_]*).*@(.*)/   backup+151.${1}.${2}@<a local domain> 
> endif

And

> "sendmail" doesn't appears uncommented in main,.cf nor master.cf, though 
> sendmail_path = /usr/local/sbin/sendmail is a default setting.

Still getting a DSN for every BCC mail. Still nothing in the logs that tells me 
why this might be.


-- 
The Steve is seen, rightly or wrongly, as the visionary, the leader,
the savant. Bill is the Boswell to The Steve's Johnson, but lacking
Boswell's wit, charm, and dynamic personality.


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