This bug was fixed in the package python-imaplib2 - 2.57-1ubuntu0.1
--------------- python-imaplib2 (2.57-1ubuntu0.1) bionic; urgency=medium
* Cherrypick 2.57-5 upload patch to use SSLContext if available so we send SNI. LP: #1815482
-- Dimitri John Ledkov <email address hidden> Fri, 14 Dec 2018 15:26:07 +1100
This bug was fixed in the package python-imaplib2 - 2.57-1ubuntu0.1
---------------
python-imaplib2 (2.57-1ubuntu0.1) bionic; urgency=medium
* Cherrypick 2.57-5 upload patch to use SSLContext if available so we
send SNI. LP: #1815482
-- Dimitri John Ledkov <email address hidden> Fri, 14 Dec 2018 15:26:07 +1100