Roundcube hangs when sending mail

In recent builds of roundcube, you may find that you can’t send mail using Roundcube. If /var/cpanel/roundcube/log/errors shows the following:

[30-Jan-2009 14:07:11] Invalid response code received from server (421):
[30-Jan-2009 14:07:11] Invalid response code received from server (-1):
[30-Jan-2009 14:07:34 -0800] SMTP Error: SMTP error: Authentication failure: STARTTLS failed (Code: ) in /usr/local/cpanel/base/3rdparty/roundcube/program/steps/mail/func.inc on line 1248 (POST /3rdparty/roundcube/index.php?_task=mail&_action=send)
[30-Jan-2009 14:10:29] STARTTLS failed ():

Then there is an issue with the most recent Net-SMTP PHP module. To resolve this, edit the following file:

vi /usr/local/cpanel/base/3rdparty/roundcube/config/main.inc.php

and change

// SMTP username (if required) if you use %u as the username RoundCube
// will use the current username for login
$rcmail_config[‘smtp_user’] = ‘%u’;

to this:

// SMTP username (if required) if you use %u as the username RoundCube
// will use the current username for login
$rcmail_config[‘smtp_user’] = ”;

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    • Chris
    • November 7th, 2009

    This solved my problem- couldn’t find this solution elsewhere either!

    Thank you!!

  1. i do the above changes but still ‘sending message’ is hanging

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