Discover if the mail servers for de.rfax.net can be reached through a secure connection.
To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.
Report created Tue, 26 May 2020 15:51:46 +0000
These servers are responsible for incoming mails to @de.rfax.net addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail2fax-ha.de1.retarus.com
185.93.140.81
Results incomplete
|
10 |
supported
|
not checked |
|
3 s
|
|
mail2fax-ha.de2.retarus.com
94.199.88.198
Results incomplete
|
10 |
supported
|
not checked |
|
3 s
|
We have not received any emails from a @de.rfax.net address so far. Test mail delivery
No Certificates found