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[Discuss] Yahoo and Exim4 configuraiton



> 2014-05-16 15:05:02 1WlJgz-0002cM-QR TLS error on connection to
mta7.am0.yahoodns.net [66.196.11
> 8.240] (gnutls_handshake): The Diffie-Hellman prime sent by the
> server is not acceptable (not long enough).

Not a misconfiguration per se. exim4's TLS key exchange wants at least
1024 bits of prime number by default but Yahoo is using fewer bits than
that. You can change this in your local exim4 config with the
TLS_DH_MIN_BITS setting (a value of 512 should work for Yahoo).

-- 
Rich P.



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