SPF Checker
MTA-STS Generator
MTA-STS checker
Email doesn’t inherit authentication. Without DMARC enforcement, any SMTP server can use your business domain name to send out email.
MTA-STS
MTA-STS Generator
Did you know your emails might be getting sent without TLS encryption? Make TLS encryption a requirement for all emails using our free MTA-STS Record Generator tool to stop hackers from reading your messages. Create the record on your DNS and publish it to begin deploying MTA-STS!
What is MTA-STS?
It is an inbound mail protocol developed to increase the security and encryption between sending and receiving mail servers.
What is the objective of MTA-STS?
To make it more difficult for an attacker to have emails forwarded to a different destination.
How to implement MTA-STS?
Create the subdomain MTA-STS? Along with a directory named .well-known in the subdomain. Then upload the policy text file to the .well-known directory of the subdomain.