Greetings,
is anyone aware of a DNS SRV record / label to specify SUBMISSIONS (tcp/465)
aka implicit TLS for MUAs? Playing along the examples from RFC 6186, which
specify SRV records for SUBMISSION, IMAPS and POP3S, it would probably be:
_submissions._tcp SRV 0 1 465 mail.example.com.
Section 3.1. Email Submission of RFC 6186 specifies a DNS SRV record for
SUBMISSION with or without encryption using STARTTLS, but in 2011 nobody had
standardized SUBMISSIONS allthough many were using it. It took until 2018 that
SUBMISSIONS finally became a standard in RFC 8314.
TIA,
p@rick
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