> > Rocco Scappatura:
> >> >> Anyway, it seems that now the queue has been flushed. But I really
> >> don't
> >> >> have understood what has happened.. Could I get a brief explanation?
> >> >
> >> > This sends one email message per recipient.
> >> OK. Why it happened that postfix does not send emails destined to more
> >> than one recipient? It is the first time that I see a such situation..
> > With the configuration that you deleted from the reply, Postfix
> > sends one email message per recipient to the example.com destination.
> > If you did not implement my suggestion to send one email message
> > per recipient, then your mail has been delivered because the
> > destination is no longer broken for multi-recipient mail.
> So you are saying that it is a matter of the receiving side (receiving
> mailserver, MS Exchange) that defers mails destined to multiple
conversation with srv5.stt.loc[10.3.253.16] timed out while sending end of data
This means that the conversation with srv5.stt.loc timed out after
sending end of data.