bug#11267: 24.0.95; gnutls.c: [0] (Emacs) fatal error: The Diffie-Hellman prime sent by the server is not acceptable (not long enough).

[Roland Winkler]

Today I switched for the first time to a new SMTP server I'll have
to use in the future.  It gives me the error messages

gnutls.c: [0] (Emacs) fatal error: The Diffie-Hellman prime sent by the server 
is not acceptable (not long enough).
gnutls.el: (err=[-63] The Diffie-Hellman prime sent by the server is not 
acceptable (not long enough).) boot: (:priority NORMAL :hostname foo.bar.com 
:loglevel 0 :min-prime-bits nil :trustfiles 
(/etc/ssl/certs/ca-certificates.crt) :crlfiles nil :keylist nil :verify-flags 
nil :verify-error nil :verify-hostname-error nil :callbacks nil)

Despite these error messages, Emacs is sending the mails I want to
send. In that sense, I cannot tell how relevant these error messages are.
For a nonexpert like myself, they are certainly irritating.


In GNU Emacs 24.0.95.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.20.1)
 of 2012-04-04 on regnitz
Windowing system distributor `The X.Org Foundation', version 11.0.10706000

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: en_GB.utf8
  value of $LANG: en_US.ISO-8859-15
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-9-unix
  default enable-multibyte-characters: t