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Re: [SM-PLUGINS] Header warning when using squirrelmail 1.4.22 and Local User Autoresponder and Mail Forwarder.
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From: Ted H. <te...@io...> - 2011-08-23 15:44:55
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On Mon, 22 Aug 2011, Paul Lesniewski wrote:
>>>> I recently updated to the new version of Squirrelmail Version 1.4.22 and
>>>> this warning appeared on the Autoresponder / Mail Forwarding page.
>>>>
>>>> Warning: Cannot modify header information - headers already sent in
>>>> /usr/local/www/squirrelmail-1.4.22/functions/page_header.php on line 31
>>>
>>> We need to see the entire message, which should look like:
>>>
>>> Warning: Cannot modify header information - headers already sent by
>>> (output started at /usr/local/squirrelmail/blah/blah.php:100) in
>>> /usr/local/squirrelmail/blah/blah.php on line 200
>>>
>>> Please always provide the full error message.
>>>
>>
>> The message I provided is the full message.
>>
>> Warning: Cannot modify header information - headers already sent in
>> /usr/local/www/squirrelmail-1.4.22/functions/page_header.php on line 31
>>
>>
>>> You're also running several plugins that are a little bit dated. You
>>> should test with only the plugin in question activated. You can do
>>> that without changing your configuration file by adding something like
>>> this to config/config_local.php:
>>>
>>> $temporary_plugins = array('local_autorespond_forward');
>>
>>
>> I took your advice and applied the above statement to
>> config/config_local.php
>>
>> $temporary_plugins = array('local_autorespond_forward');
>>
>> and I received the same error message as before.
>>
>> Warning: Cannot modify header information - headers already sent in
>> /usr/local/www/squirrelmail-1.4.22/functions/page_header.php on line 31
>
> Then your version of PHP is unusual or unusually configured. Please
> show all relevant server information per the mailing list posting
> guidelines. We need to know where this error is occurring, else there
> is little that can be done about it. I have tested this plugin and
> cannot reproduce the issue.
>
>>>> According to the comments in the page_header.php file they added this
>>>> line to prevent clickjack attempts.
>>>>
>>>> header('X-Frame-Options: SAMEORIGIN');
>>>>
>>>> I solved my issue by commenting out line 31 in fuctions/page_header.php
>>>> and setting my apache configuration to "Header always append
>>>> X-Frame-Options SAMEORIGIN".
>>>>
>>>> In case this is helpful here are my squirrelmail particulars.
>>>> Here is my configuration.
>>>>
>>>> Squirrelmail 1.4.22
>>>> Installed Plugins
>>>> 1. virtusertable
>>>> 2. compatibility
>>>> 3. message_details
>>>> 4. msg_flags
>>>> 5. delete_move_next
>>>> 6. select_range
>>>> 7. add_address
>>>> 8. abook_group_pagination
>>>> 9. abook_import_export
>>>> 10. calendar
>>>> 11. forced_prefs
>>>> 12. squirrelspell
>>>> 13. mail_fetch
>>>> 14. translate
>>>> 15. check_quota
>>>> 16. squirrel_logger
>>>> 17. unsafe_image_rules
>>>> 18. bounce
>>>> 19. view_as_html
>>>> 20. html_mail
>>>> 21. auto_cc
>>>> 22. archive_mail
>>>> 23. local_autorespond_forward
>>>> 24. change_pass
>>>> 25. listcommands
>>>>
>>>> Please let me know if you require further information from me regarding
>>>> this bug.
>>>>
>> As I mentioned above I've resolved my issue until a permanent resolution can
>> be found.
>>
>> Let me know if I can be of further assistance or if you require further
>> information about my particular setup.
>
> --
> Paul Lesniewski
> SquirrelMail Team
> Please support Open Source Software by donating to SquirrelMail!
> http://squirrelmail.org/donate_paul_lesniewski.php
>
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>
Paul,
Thanks for taking the time to help me resolve this issue.
I'll setup a test site on my server, load a new copy of squirrelmail
1.4.22 and local_autorespond_forward-3.0.1 and I'll see if I can track
down the problem.
I'll keep you informed as to my progress.
Sincerely,
Ted Hatfield |