[BlueOnyx:22562] Re: Vacation Message not working.

[Mon Chan]

Dear Michael

We fix the issue, thx your help.

Mon

On Mon, Dec 17, 2018 at 5:13 PM Mon Chan <mon.chan at gmail.com> wrote:

> Is my ssl cert issue ? Can we re/gen the ssl cert to fix this issue? Or
> disable TOS for 127.0.0.1?
>
> Now we using openwebmail, i don’t know can install openwebmail again if we
> install new 64bit Blueonyx server.(we try it before , the openwebmail not
> working after os yum update
>
>
>
> 「Michael Stauber <mstauber at blueonyx.it>」在 2018年12月17日 週一，下午2:39 寫道：
>
>> Hi Mon Chan,
>>
>> > The customer enable the vaction message but not working.
>> > We check the log, the error show Deferred: 403 4.7.0 TLS handshake. and
>> > stop to send the reply email.
>>
>> The problem seems to be this here:
>>
>> > Dec 17 13:18:11 mail sendmail[15411]: STARTTLS=server, error: accept
>> > failed=0, SSL_error=1, errno=0, retry=-1, relay=localhost [127.0.0.1]
>> > Dec 17 13:18:11 mail sendmail[15410]: STARTTLS=client:
>> > 15410:error:14082174:SSL routines:SSL3_CHECK_CERT_AND_ALGORITHM:dh key
>> > too small:s3_clnt.c:3345:
>> > Dec 17 13:18:11 mail sendmail[15410]: ruleset=tls_server, arg1=SOFTWARE,
>> > relay=[127.0.0.1], reject=403 4.7.0 TLS handshake.
>>
>> The exact error message being:
>>
>> ------------------------------------------------------------
>> SSL routines:SSL3_CHECK_CERT_AND_ALGORITHM:dh key too small:s3_clnt.c:3345
>> ------------------------------------------------------------
>>
>> This means the host (mail.gsnt.net) is using Diffie-Hellman keys for his
>> TLS connection that are too small, so the chiffre and protocol
>> negotiation does not conclude. The problem is on mail.gsnt.net's end.
>> It's a 5107R and from the looks of it it's missing a few years worth of
>> updates. At the least it could be upgraded to 5207R via this guide:
>> https://www.blueonyx.it/index.php?page=upgrade
>>
>>
>> --
>> With best regards
>>
>> Michael Stauber
>> _______________________________________________
>> Blueonyx mailing list
>> Blueonyx at mail.blueonyx.it
>> http://mail.blueonyx.it/mailman/listinfo/blueonyx
>>
>
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