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Re: smtp 587 always fails to send email


From: Adam Sjøgren
Subject: Re: smtp 587 always fails to send email
Date: Fri, 11 Nov 2016 18:00:53 +0100
User-agent: Gnus/5.130016 (Ma Gnus v0.16) Emacs/26.0.50 (gnu/linux)

You writes:

> Concerning security level, which one is better? 587 on `starttls'
> or 465 on `ssl'?

Both are fine, if your client stops if STARTTLS doesn't work/isn't
available.

(Otherwise if an interceptor could remove the STARTTLS support
announcement from the server, and if the client continues in
non-encrypted mode, then it would be bad. smtpmail does the right thing,
though:

  "starttls to insist on STARTTLS"
   - 
https://www.gnu.org/software/emacs/manual/html_node/smtpmail/Encryption.html
)


  Best regards,

    Adam

-- 
 "It seems like the finals for "least helpful answer          Adam Sjøgren
  on a mailing list" are coming up again."               asjo@koldfront.dk




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