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inactivity
2019 Nov 12
1
IMAP session hangs on 8k-long commands if COMPRESS=DEFLATE is enabled
...1 + 0.000 secs).
C: x UID FETCH 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,? [8192 bytes]
S: x OK Fetch completed (0.001 + 0.000 secs).
C: x UID FETCH 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,? [8193 bytes]
[ _hangs until the server terminates the session for inactivity_ ]
S: * BYE Disconnected for inactivity.
strace(1) show that Dovecot didn't send the response, even though the
server log indicates that it's able to fully read the command.
Interestingly, when setting ?imap_max_line_length? to 4096, the server
also hangs after receiving a command of s...