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From: Antoine Pitrou <solipsis@pitrou.net>
Subject: Re: imaplib: how to specify SSL/TLS protocol version?
Date: Thu, 10 Apr 2014 19:57:57 +0000 (UTC)
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Xref: csiph.com comp.lang.python:70059

Grant Edwards <invalid <at> invalid.invalid> writes:
> 
> Experiments show that when calling ssl.wrap_socket() I have to specify
> ssl_version=PROTOCOL_TLSv1 to avoid the above error.
> 
> How do I tell imaplib to use TLS1 instead of SSL3?

Use Python 3 and pass the ssl_context parameter to IMAP_SSL:
https://docs.python.org/3.3/library/imaplib.html#imaplib.IMAP4_SSL

Regards

Antoine.