A little more news on this issue:

I don't think it is related to networking, as I have the same problem if I tunnel the traffic through a VPN. Some days I get no errors, others, every calendar refresh I get

(Error code: sec_error_bad_signature)

I get no errors on the server (either sogo or apache). Running T-bird on the same machine on Windows (virtualbox) does not reproduce the problem. Also, no problems when accessing calendars over caldav (https) on evolution. I'm thinking this is a lightning on Linux (64bit?) issue.

Any idea of what is going on? I wonder if this 'problem' is there on windows as well, but windows doesn't display a error message and just does a retry or something to that effect. I upgrade from 1.3.5a to 1.3.6 and the just-posted integrator and connector and it makes no difference. Any help would be appreciated, it is very annoying to click "ok" to 5 pop-ups every 10 minutes.

Thanks,

Ben





On 03/26/2011 09:53 AM, Ben Luey wrote:
I have SOGo setup and running on apache on https. Everything works fine (t-bird, web interface) for my Windows clients. Webmail works fine on Linux as well. I recently switched on a Linux machine (Ubuntu x64 10.10) from evolution to t-bird with all the plugins. Now I frequently get the error message:

An error occurred during a connection to mail.server.com:443.

Peer's certificate has an invalid signature.

(Error code: sec_error_bad_signature)

this happens to many of the calendar's that I'm subscribed to. Not every calendar every time it makes a connection, but maybe half the time t-bird does a refresh 1-4 calendars have this issues. Not all the same calendars, and some times it is fine. My ssl certs are fine -- this works from windows computers and web browser, etc.

The command line error message from t-bird is:

Warning: There has been an error reading data for calendar: Purchasing. Error code: READ_FAILED. Description: Warning: CalDAV: No response status doing webdav sync for calendar Personal Calendar (User Name <[email protected]>)
Warning: CalDAV: Error doing webdav sync: undefined
Warning: There has been an error reading data for calendar: Personal Calendar (User Name <[email protected]>). Error code: DAV_REPORT_ERROR. Description: There has been an error reading data for calendar: https://mail.server.com/SOGo/dav/user2/Calendar/user_personal/. It has been disabled until it is safe to use it. Warning: There has been an error reading data for calendar: Personal Calendar (User Name<[email protected]>). Error code: READ_FAILED. Description:
deliver mode: 7

The problem I'm having is only one location, so it could be some packets getting mangled, but as I said I didn't have this problem with evolution (using caldav to access calendars) or via a web browser -- any ideas? The sogo and apache logs just show the dav connections to

https://mail.server.com/SOGo/dav/user2/Calendar/user_personal/

with no errors.

Thanks,

Ben

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