Discover if the mail servers for holistica.com.br 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 Wed, 27 May 2020 00:36:57 +0000
However, we found problems that may affect the security.
These servers are responsible for incoming mails to @holistica.com.br addresses.
|Hostname / IP address||Priority||STARTTLS||Certificates||Protocol|
We have received emails from these servers with @holistica.com.br sender addresses. Test mail delivery
|Host||TLS Version & Cipher|
Insecure - not encrypted!
Certificate is self-signed.