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 words.filippo.io
The sad state of SMTP encryption
| | maddy.email
Outbound delivery security - maddy
3.4 parsecs away

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| | www.hardenize.com
Introducing MTA Strict Transport Security (MTA-STS) | Hardenize Blog
3.1 parsecs away

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| | MTA-STS (full name SMTP Mail Transfer Agent Strict Transport Security) is a new standard that aims to improve the security of SMTP by enabling domain names to opt into strict transport layer security mode that requires authentication (valid public certificates) and encryption (TLS).
| | aykevl.nl
Ayke van Laethem - Enforced STARTTLS for SMTP
1.9 parsecs away

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| | While STARTTLS has traditionally been very sensitive to downgrade attacks, there are now two protocols to fix this: DANE and MTA-STS. I will take a look at how they work and how they can be implemented on your own domain.
| | computer.howstuffworks.com
SSL and TLS | HowStuffWorks
18.9 parsecs away

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| SSL and TLS - SSL, or secure sockets layer,is used by Internet browsers and Web servers to transmit sensitive information. Learn about SSL and the TLS protocol.