Discover if the mail servers for letterb.in 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, 31 May 2016 19:28:53 +0000
These servers are responsible for incoming mails to @letterb.in addresses.
|Hostname / IP address||Priority||STARTTLS||Certificates||Protocol|
We have not received any emails from a @letterb.in address so far. Test mail delivery