[Kolab-devel] no warning when sending mail to invalid mailaddress via smtp

[Sönke Schwardt]

Am Dienstag, 15. April 2008 schrieb Bernhard Reiter:
> On Wednesday 09 April 2008 10:49, Jan Schneider wrote:
> > > When sending an email to a valid user and cc to an invalid local user
> > > no such warning/error message appears and as user I would think both
> > > recipient would get this mail. But according to mail.log postfix
> > > refused to accept the invalid recipient:
> > >
> > > Mar 18 05:14:18 ugs1 postfix/smtpd[27098]: 7B9689D08E: reject: RCPT
> > > from localhost[127.0.0.1]: 450 4.1.1 <foobar at foo.bar>: Recipient
> > > address rejected: User unknown in local recipient table;
> > > from=<test1 at foo.bar> to=<foobar at foo.bar> proto=ESMTP helo=<localhost>
> > >
> > > Am I wrong or should horde inform the user that not all recipient will
> > > get a copy of the mail just sent?
> >
> > Horde uses a central call to the PEAR Mail package to send the  
> > messages, unless we have to send individual messages for all  
> > recipients, e.g. when sending encrypted messages. The result of this  
> > call is checked and any error is displayed to the user.
> > If you don't get an error, either the SMTP server didn't return one  
> > (and only logged it), or the Mail package didn't catch it properly.
>
> The log message above is a very strong hint that postfix actually did send
> a reject, so I suspect a problem somewhere on the php side of things. Also,
> Sönke, you are sure that this is the Horde client from localhost connecting
> and not some other piece of software?

Yepp, I'm pretty sure since I had a special testsetup and tested it several 
times while watching the logfile and pressing send button simultaneously.

 Sönke
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