Does your mailserver use an encrypted connection (STARTTLS) to send mails to our server? Just send an empty email to the address below and check the result.
TLSv1.3
/
TLS_AES_256_GCM_SHA384
mail.cesar.de
(IPv6:2a01:4f8:201:7043::2
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
ec2-13-54-94-111.ap-southeast-2.compute.amazonaws.com
(13.54.94.111
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
ec2-13-54-94-111.ap-southeast-2.compute.amazonaws.com
(13.54.94.111
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
ec2-35-182-182-112.ca-central-1.compute.amazonaws.com
(35.182.182.112
)
TLSv1.2
/
ECDHE-RSA-AES256-GCM-SHA384
mail.hydrotec.com
(91.249.130.173
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
srv1.benicarlo.org
(185.133.96.19
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
aquaelo.hammerle.me
(62.77.153.101
)
TLSv1.3
/
TLS_AES_256_GCM_SHA384
aquaelo.hammerle.me
(62.77.153.101
)