Public bug reported:
Steps to reproduce:
set the proxy settings manually in thunderbird to any http proxy.
try to set up or open an account.
Results:
Thunderbird fails at password verification.
Expected results:
Thunderbird should connect to the email servers using the http(s) proxy. (using
the CONNECT method)
Work around:
Thunderbird (manually set to no-proxy) under proxychains (tunneling data to the
http/s proxy ) proxy works just fine.
System:
Thunderbird 17.0.6
Ubuntu 12.04 x64
(even a live boot)
Comments:
1)Try polipo (with tor if necessary) for a proxy that is guaranteed to not have
any port blocking issues.
2)The attached file (imap.py) is a perfectly functional minimal imap
client that uses ONLY the http CONNECT method of a proxy to reach the
gmail server.
2.1)Use this program to verify that
(a) your proxy allows outbound ssl traffic to the server and port
(b) your login credentials and settings for your email account are fine (no
unlock captcha problems etc)
2.2)This shows that thunderbird has NO BUSINESS requiring
a) any direct connection, DNS, socks etc.
b) no special proxy server settings – except allowing outbound CONNECT requests
to the ports in question. CONNECT requests to a proxy are a prerequisite for
https traffic anyway.
** Affects: thunderbird (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "A program to test the connection and login credentials."
https://bugs.launchpad.net/bugs/1192995/+attachment/3708056/+files/imap.py
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https://bugs.launchpad.net/bugs/1192995
Title:
Thunderbird fails to work with http proxies
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