Question courier-imapd: Unexpected SSL connection shutdown.

[solucionesuno]

In my maillog in CENTOS 7 Qmail i get a lot of this messages:

courier-imapd: Unexpected SSL connection shutdown.

Feb 20 22:13:00 ns1 courier-imapd: LOGIN, user=xavi.coman@******n.com, ip=[::ffff:85.53.20.***], port=[58940], protocol=IMAP
Feb 20 22:13:00 ns1 courier-imapd: Unexpected SSL connection shutdown.
Feb 20 22:13:00 ns1 courier-imapd: LOGOUT, user=xavi.coman@******n.com, ip=[::ffff:85.53.20.***], headers=0, body=0, rcvd=34, sent=301, time=0, starttls=1

 

[solucionesuno]

cat /etc/courier-imap/imapd-ssl |grep -v '#'

SSLPORT=993


SSLADDRESS=0


SSLPIDFILE=/var/run/imapd-ssl.pid


SSLLOGGEROPTS="-name=imapd-ssl"


IMAPDSSLSTART=YES


IMAPDSTARTTLS=YES


IMAP_TLS_REQUIRED=0



COURIERTLS=/usr/bin/couriertls









TLS_CERTFILE=/etc/courier-imap/courier.pem

TLS_DHPARAMS=/usr/share/dhparams.pem


TLS_VERIFYPEER=NONE



TLS_CACHEFILE=/var/run/couriersslcache
TLS_CACHESIZE=524288

MAILDIRPATH=Maildir
MAXDAEMONS=200
MAXPERIP=100
TLS_CIPHER_LIST=HIGH:!aNULL:!MD5
TLS_PROTOCOL=SSL23
TLS_STARTTLS_PROTOCOL=SSL23
TLS_TRUSTCERTS=/etc/courier-imap/courier.pem