list...@tutanota.com:
> I am experimenting with postfix notify_classes.
>
> To start the config is
>
> notify_classes = bounce, 2bounce, data, delay, policy, protocol,
> resource, software
>
> Now in my postmaster inbox I received a message,
>
> Subject: Postfix SMTP server: errors from
> mailrelayus2-25.kubra.com[205.216.45.25]
>
> Transcript of session follows.
>
> Out: 220 tanzer.example.com ESMTP . No UCE permitted.
> In: EHLO mailrelayus2-25.kubra.com
> Out: 250-tanzer.example.com
> Out: 250-PIPELINING
> Out: 250-SIZE 104857600
> Out: 250-STARTTLS
> Out: 250-ENHANCEDSTATUSCODES
> Out: 250 8BITMIME
> In: MAIL FROM:<i-doxs.produs....@kubra.com> SIZE=3492
> Out: 250 2.1.0 Ok
> In: RCPT TO:<###@###.###>
> Out: 450 4.1.1 <###@###.###>: Recipient address rejected:
> unverified address: Invalid Address
> In: RSET
> Out: 250 2.0.0 Ok
>
> Session aborted, reason: lost connection
>
> For other details, see the local mail logfile
>
> I want to know which notify_classes class caused this error. I do not know
> which one just from reading the message. "reason: lost connection" does not
> immediately say to me which one.
You need to distinguish between the effect (the client dropped the
connection) and the cause (Postfix rejected mail because it did not
satisfy policy).
Wietse
