Shouldn't the executable be dovecot-lda?:
/usr/libexec/dovecot/dovecot-lda -d ${user}@${domain} -a {recipient} -f 
${sender} -m ${extension}

Bill

On 1/24/2018 11:30 AM, Infoomatic wrote:
Hello,

I am currently testing the upgrade from our dovecot v2.2.23 to 2.3.0. I have a 
strange problem with lda.
We use bounce mails for internal users if they try to send virus/spammails. The 
exact same config works with 2.2.23, but not with 2.3.0.

The relevant postfix/master.cf part:
dovecot   unix  -       n       n       -       -       pipe
   flags=DRhu user=vmail:vmail argv=/opt/dovecot/libexec/dovecot/deliver -d 
${recipient} -f ${sender}

On the same machine, with 2.2.23 I get a bounce mail when trying to send a virus, with 
the subject "VIRUS in message apparently from you (Eicar-Test-Signature)", to 
both the users inbox as well as to the mailbox of [email protected]

With 2.3.0, in the logs I get an error:

relay=dovecot, delay=0.01, delays=0/0/0/0, dsn=5.3.0, status=bounced (command 
line usage error. Command output: lda: Fatal: Invalid -f parameter: Missing 
domain

and the alert message is only sent to [email protected], but not to 
the user who tried to send the mail.

The relevant part of our dovecot.conf:
protocol lda {
   mail_plugins = " quota zlib sieve acl mail_log notify"
   postmaster_address = [email protected]
}

Does anyone know how to solve this problem? Or is there a workaround via 
postfix/amavis/spamassassin? Any hints are highly appreciated, thanks!

Regards,
infoomatic

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