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| From | Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> |
|---|---|
| Newsgroups | comp.mail.sendmail |
| Subject | Re: TLS certifcates are FAILing checktls test |
| Date | 2026-04-18 04:09 -0400 |
| Organization | MGT Consulting |
| Message-ID | <10rve6s$317$1@news.misty.com> (permalink) |
| References | <10ru58h$2o41a$1@dont-email.me> |
pcla56 wrote:
> I am running ubuntu 20.04 (LAMP) server.
> The error from checktls.com is as follows
Do you mean this:
> Cert VALIDATION ERROR(S): self-signed certificate
Ignore it - or pay for a "real" cert (which has basically no advantage
for e-mail except making some "check" websites happy). If you use
Let'sEncrypt you will get a cert which officially isn't usable as
client cert - thanks to some evil company.
> Now I have spotted one issue and that is we do not have an "admin" user
Why do you want an "admin" user?
> I can see sendmail-{server|client}.cfg files in /etc/mail/tls but have
> no clue on how to use them.
Those files are not from sendmail.
Maybe try a mailing list for Ubuntu?
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TLS certifcates are FAILing checktls test pcla56 <paul@vicjen.co.uk> - 2026-04-17 21:30 +0100 Re: TLS certifcates are FAILing checktls test Marco Moock <mm@dorfdsl.de> - 2026-04-17 22:58 +0200 Re: TLS certifcates are FAILing checktls test Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> - 2026-04-18 04:09 -0400
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