Thunderbird: Connection Timeouts on all Accounts

Wednesday, January 23. 2008

Once again stumbled over this stupid proxy settings of thunderbird :-(

First I suspected my mail server to be down.

All of a sudden I was no longer able to download emails - from any account, from any server - just with Thunderbird while KMail was working perfectly. Even sending emails is no longer working.

Just for the case this also happens to you: Have you changed your proxy settings recently? And have you checked the little convenient checkbox Use this proxy server for all protocols?

Well, unlike Konqueror where a similar checkbox uses the proxy server only for reasonable protocols, like FTP and HTTPS, in Thunderbird it is also used for SOCKS and your HTTP proxy most probably does not understand SOCKS like most pure HTTP proxies.

So, in case you can't connect to any Mail server, check if this checkbox is enabled.



Posted by Carsten Schlipf Filed under Software.
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    #1 guruz on 01/23/08 at 06:08 PM [Reply]
    *FYI: I suppose it is about the HTTP CONNECT method, not SOCKS
    #2 David on 02/11/08 at 12:13 AM [Reply]
    *I'm actually trying to figure this one out myself... as far as I can tell thunderbird *only* uses the proxy settings for retrieving referenced html - it doesn't use the http proxy settings for retrieving the mail it's self - which is stupid cause the squid proxy supports it, through the CONNECT method. ARGH!

    nc proxy-name 3128
    CONNECT mail.wherever.com:110
    <lf>
    <lf>
    +OK <removed> at <removed> ready <etc>

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