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Thread: Problem with Roundcube (sending) SMTP error: Authentication failure: STARTTLS failed

  1. #1
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    Exclamation Problem with Roundcube (sending) SMTP error: Authentication failure: STARTTLS failed

    hello,

    roubecube is the only webmail app enabled for my clients.
    it was working like a dream (with the default configuration created by cpanel team), but today when i upgraded to the most recent CURRENT tree, and roundcube was updated to .2-stable, users are no longer able to send email. after composing their emails and clicking send they are faced with the "sending..." notification for about 2 min, and nothing happens.

    The Roundcube error log shows this every time a user tries to send an email:

    Code:
    [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 ():
    I am hoping someone can help before i trouble the support team with a ticket.

  2. #2
    cPanel Staff cPanelNick's Avatar
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    Quote Originally Posted by sirbrent View Post
    hello,

    roubecube is the only webmail app enabled for my clients.
    it was working like a dream (with the default configuration created by cpanel team), but today when i upgraded to the most recent CURRENT tree, and roundcube was updated to .2-stable, users are no longer able to send email. after composing their emails and clicking send they are faced with the "sending..." notification for about 2 min, and nothing happens.

    The Roundcube error log shows this every time a user tries to send an email:

    Code:
    [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 ():
    I am hoping someone can help before i trouble the support team with a ticket.
    It is a bug in PHP's latest Net-SMTP module.

    We will be patching it an sending out a new CURRENT very soon. The internal case number is #20266
    -Nick
    cPanel Inc.

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    Need a complimentary support account? Create one here.

  3. #3
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    A quick update. I was playing around with the roundcube configuration (usr/local/cpanel/base/3rdparty/roundcube/config/main.inc.php) and noticed a workaround until the module is patched/updated. This workaround normally shouldnt work, but seems to work with the current problem in the module.

    normally there is a series of lines which should read like this:

    Code:
    // SMTP username (if required) if you use %u as the username RoundCube
    // will use the current username for login
    $rcmail_config['smtp_user'] = '%u';
    for now Roundcube seems to work properly if you change it to this:

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

  4. #4
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    Just wanted to say

    Me too!

    Clients are upset. Please let us know when we should do an update.

    Thanks!

  5. #5
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    Hi Brent,

    I tried your fix and the mail sends successfully -- shows completed in exim_mainlog and is copied to sent mail folder -- but roundcube responds, unknown server error.

    This fix doesn't expose any vulnerabilities in the application or the server?

    Thanks for posting.

    Tina

  6. #6
    cPanel Product Evangelist Infopro's Avatar
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    In C33795 this is still an issue. Horde works fine.
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  7. #7
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    Changing '%u' to '' seems to have worked on my system as a temporary fix for C33795. I'm not seeing any error messages.


    Edit: Something else appears to be involved. C33795 works on one server and not another.
    Last edited by Serra; 01-31-2009 at 12:57 PM.

  8. #8
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    Is there any update on this issue? Or should I try the workaround?

  9. #9
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    Thanks sirbrent, your solution work fine for me.

  10. #10
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    i to am having this problem, any update on the status of the fix. I tried the above fix but it did not work for me.

  11. #11
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    Any update on fixing this issue?

  12. #12
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    Nick

    Any update

  13. #13
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    CSF Users who are having this issue should check this post

    Worked for me

    http://forums.cpanel.net/showthread.php?t=105797

  14. #14
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    hmm, i followed that post and changed from the 0, to 1 (allow) but after restarting csf, I am still having the same problem.

  15. #15
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    Worked for me, although i did log out of webmail and clear my temps

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