From August 19th 2020, SECTIGO issues SSL certificates with a maximum lifetime of 398 days (13 months) as specified by CA/Browser consortium. SSL certificates with a longer lifetime must be re-issued annually (free of charge). You'll receive reminders via e-mail. SSL certificates issued before August 19th 2020 remain valid until their planned expiry date. Code Signing & S/MIME certificates are not affected and remain valid until their planned expiry date.

Testing mailserver SSL using openssl!

openssl s_client -showcerts -connect mail.example.com:993


You may download openssl here:
https://wiki.openssl.org/index.php/Binaries


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