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authorMatthias Andree <matthias.andree@gmx.de>2021-08-26 23:53:14 +0200
committerMatthias Andree <matthias.andree@gmx.de>2021-08-26 23:53:14 +0200
commitb82c3ccb65e3279996a690ebf577263d7730e0b3 (patch)
treede9b79d7ec877032c3bcfd1d62bb4561cd1e8702 /odmr.c
parent3aad706dc9dd9fe6bcedc7d5e09037edf88f9e43 (diff)
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SECURITY: IMAP: PREAUTH->abort if STARTTLS needed
On --sslproto auto (or other nonempty values), when receiving IMAP PREAUTH state, abort the connection, rather than continuing with cleartext. --ssl is unaffected because it always negotiates TLS. See fetchmail-SA-2021-02.txt for details.
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