Email core draft stuck on MUST to accept cleartext SMTP
Last Call on the IETF applicability statement reopenes a fight over whether receivers must be able to take mail without TLS.
By ttlExim 4.100.1 fixes high-severity Proxy Protocol heap bug
The mail transfer agent closes four flaws dating to 2014, with no workaround short of upgrading.
By noncePostfix 3.11.7 closes SMTP smuggling and remote crash flaws
Stable and legacy releases fix medium-impact defects, some decades old, reported by Qualys and OpenAI Security.
By nonce