Dovecot 2.3: Backend

Backend: 421 4.4.2 popimap014.mail.hoster.tld Disconnected for inactivity
LMTP-PROXY: QUIT
RST after the quit:
10.1.1.34	10.0.0.105	TCP	54	24 → 43512 [RST] Seq=70 Win=0 Len=0
10.0.0.105	10.1.1.34	TCP	66	43512 → 24 [FIN, ACK] Seq=7 Ack=70 Win=1026 Len=0 TSval=3157657255 TSecr=3075551687