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Author Alan.Huang
Recipients Alan.Huang, christian.heimes, dsanghan
Date 2018-07-18.17:04:30
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1531933470.85.0.56676864532.issue33808@psf.upfronthosting.co.za>
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This is an issue of cipher support, not a Python bug.

mail.mani.pt supports the following (outdated) ciphers:
RC4-SHA (0x05)
RC4-MD5 (0x04)
DES-CBC3-SHA (0x0a)
EXP1024-DES-CBC-SHA (0x62)
DES-CBC-SHA (0x09)
EXP1024-RC4-SHA (0x64)
EXP-RC2-CBC-MD5 (0x06)
EXP-RC4-MD5 (0x03)

OpenSSL 1.0.2k supports RC4-SHA, RC4-MD5, and DES-CBC3-SHA.
OpenSSL 1.1.0g supports none of the above ciphers.

As such, OpenSSL 1.1.0 cannot negotiate a shared cipher suite, but OpenSSL 1.0.2g can.

Update your mailserver to use modern cipher suites and protocols.
History
Date User Action Args
2018-07-18 17:04:30Alan.Huangsetrecipients: + Alan.Huang, christian.heimes, dsanghan
2018-07-18 17:04:30Alan.Huangsetmessageid: <1531933470.85.0.56676864532.issue33808@psf.upfronthosting.co.za>
2018-07-18 17:04:30Alan.Huanglinkissue33808 messages
2018-07-18 17:04:30Alan.Huangcreate