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2020 Apr 14
1
Variable expansion in password field
...'ve found some lines in the log: Apr 14 14:36:05 archive-front1 dovecot: lmtp(19671, fakeusername at fakedomain.com): Error: lmtp-server: conn 212.183.164.212:34642 [4]: rcpt fakeusername at fakedomain.com: Failed to initialize user: Failed to expand plugin setting password = 'sd78F6aS9%Lggxf': Unknown variable '%g' (I've faked /some/ information for obvious reasons, but I've kept the password after the '%' sign). Apparently, dovecot 2.3.10 is trying to expand some variables IN the password field. I'm trying to fool him expanding the '%' into...