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| From | John Levine <johnl@taugh.com> |
|---|---|
| Newsgroups | comp.mail.sendmail |
| Subject | Mandatory STARTTLS ? |
| Date | 2026-01-29 19:45 +0000 |
| Organization | Taughannock Networks |
| Message-ID | <10lgddc$1ud8$1@gal.iecc.com> (permalink) |
In the IETF last call about the SMTP applicability statement, we are having a long argument about making STARTTLS mandatory. One group says (sligtly oversimplifying) that it's more secure, we should mandate it. The other group says there are still corner cases where plain text is useful, e.g., dusty printers saying they're out of paper, or mail to postmaster telling him that his cert has expired, and if you want to mandate TLS on your own system, you have MTA-STS and DANE. What do you think? Any chance sendmail would completely remove non-STARTTLS mail? -- Regards, John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. https://jl.ly
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Mandatory STARTTLS ? John Levine <johnl@taugh.com> - 2026-01-29 19:45 +0000 Re: Mandatory STARTTLS ? Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> - 2026-01-30 00:57 -0500 Re: Mandatory STARTTLS ? Marco Moock <mm@dorfdsl.de> - 2026-01-30 07:38 +0100
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