Article ID: 119478, created on Jan 3, 2014, last review on Aug 17, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux
  • Plesk 11.5 for Linux


How to enable inline HTML option by default in Horde?


By default inline HTML is disabled in Horde. To enable it, set option "inline" to "true" in the following files:

  • /usr/share/psa-horde/imp/config/mime_drivers.php
  • /usr/share/psa-horde/config/mime_drivers.php


/* HTML driver settings */
'html' => array(
    /* NOTE: Inline HTML display is turned OFF by default. */
    'inline' => true,

Note: changes might be overwritten after installation of Plesk microupdates.

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I see non-plain text mail message in Horde webmail interface, while original message has been sent in HTML format.

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