Gmail closes connection on UTF8 command

[amoskvin]

Reverting 0918b78 fixes the issue.

added account "Gmail": fetch=pop3s server "pop.gmail.com" port pop3s user "REDACTED@gmail.com"
...
Gmail: fetch started, pid 247722
Gmail: user is 1000
Gmail: started processing
Gmail: fetching
Gmail: fetch loop start
Gmail: calling fetch state (0xaaaab6d263b4, flags 0x02)
Gmail: fetch, again
Gmail: fetch loop start
Gmail: calling fetch state (0xaaaab6d31f80, flags 0x02)
Gmail: fetch, block
Gmail: queued 0; blocked 0; flags 0x02
Gmail: polling: 2, timeout=60000
< +OK Gpop ready for requests from REDACTED i6mb30279072uak
Gmail: fetch loop start
Gmail: calling fetch state (0xaaaab6d332a0, flags 0x02)
Gmail: fetch, block
Gmail: queued 0; blocked 0; flags 0x02
Gmail: polling: 2, timeout=60000
> UTF8
Gmail: fetch loop start
Gmail: calling fetch state (0xaaaab6d33110, flags 0x02)
Gmail: fetch, block
Gmail: queued 0; blocked 0; flags 0x02
Gmail: polling: 2, timeout=60000
< -ERR bad command i6mb30279072uak
Gmail: fetch loop start
Gmail: calling fetch state (0xaaaab6d33110, flags 0x02)
Gmail: fetch, block
Gmail: queued 0; blocked 0; flags 0x02
Gmail: polling: 2, timeout=60000
Gmail: connection closed
Gmail: fetching error. aborted
Gmail: 0 messages processed in 0.188 seconds
Gmail: finished processing. exiting
Gmail: sending exit message to parent
Gmail: waiting for exit message from parent