[Tickets #13042] Horde 5.1.6 doesn't really use submission port 587!

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Ticket URL: http://bugs.horde.org/ticket/13042
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  Ticket             | 13042
  Created By         | klaus at tachtler.net
  Summary            | Horde 5.1.6 doesn't really use submission port 587!
  Queue              | Horde Groupware
  Version            | 5.1.4
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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klaus at tachtler.net (2014-03-12 14:31) wrote:

Hi,

i configured following lines in Horde 5.1.6 .../config/conf.php

----- conf.php -----
...
$conf['mailer']['params']['host'] = 'mx1.tachtler.net';
$conf['mailer']['params']['port'] = 587;
$conf['mailer']['params']['localhost'] = 'mx1.tachtler.net';
$conf['mailer']['params']['auth'] = true;
$conf['mailer']['type'] = 'smtp';
$conf['mailformat']['brokenrfc2231'] = false;
...
----- conf.php -----

When I disable submission port 587 on mx1.tachtler.net and my postfix  
is only listen on port 25 and 465 i can sent e-Mail from Horde to the  
world. I think this is not correct, or did Horde make a fallback to  
port 25, if port 587 is not reachable.

I also configured to use CRAM-MD5, but only PLAIN was used for  
SASL-Authentication.

When I use my Android device, I can see the CRAM-MD5 submission port login.

Thank you!