Tag: pops

Checking the availability of SMTPS, POPS and IMAPS.

Open a linux shell execute the respective command; replace the hostname with the server IP/Hostname for which you want to check the avialability of secured mail ports.

POPS – port number 995

# openssl s_client -connect hostname:995

SMTPS – port number 465

# openssl s_client -connect hostname:465

IMAPS – port number 993

# openssl s_client -connect hostname:993