[Tickets #2574] message sending fails with a error, if all the recipients are in the Bcc:

[bugs@bugs.horde.org]

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Ticket URL: http://bugs.horde.org/ticket/?id=2574
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 Ticket             | 2574
 Updated By         | leena.heino at uta.fi
 Summary            | message sending fails with a error, if all the recipients are in the Bcc:
 Queue              | IMP
 Version            | FRAMEWORK_3
 State              | Feedback
 Priority           | 1. Low
 Type               | Bug
 Owners             | Horde Developers
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leena.heino at uta.fi (2005-09-08 11:45) wrote:

> Ahhh... I see where chuck is coming from.  The only place we would 
> put in 'undisclosed-recipients' is in the To: line, not the 
> recipients list we pass onto the mail backend.  So if sendmail is 
> somehow trying to extract recipient addresses from the To: header, 
> you have your sendmail configured incorrectly.  Make sure '-t' does 
> not appear in $conf['mailer']['params']['sendmail_args'] in 
> horde/config/conf.php.

You guys are fantastic. That was it. I'm not sure why that '-t' was added to
the  sendmail's parameters, but it must have happened a long time ago. I
must have had some sort of mixup with php's sendmail defaults at that time.