3 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Not sure about ho...
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Dave KliczborJun 23, 2004 5:45 am 
ScottJun 23, 2004 8:26 am 
Anand BuddhdevJun 23, 2004 8:31 am 
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Subject:Re: [courier-users] Not sure about how to interpret this log entryActions...
From:Anand Buddhdev (ana@celtelplus.com)
Date:Jun 23, 2004 8:31:40 am
List:net.sourceforge.lists.courier-users

On Wed, Jun 23, 2004 at 08:26:09AM -0700, Scott wrote:

dig -t mx otherdomain.de to find the MX.

telnet MX 25 Trying aaa.bbb.ccc.ddd... Connected to MX. Escape character is '^]'. 220 otherdomain.de ESMTP STARTTLS <-- issue this command 220 Ok <-- if this is the response then you're ok.

If it says "454 TLS missing certificate" instead of the 220 response then it's a problem with their server. Lately I've been getting a lot of these, I check the whois, call the SA and they take care of it. Lots of people are running servers advertising TLS without a certificate.

I used to get a lot of these too. However, I don't see any usefulness in doing TLS with arbitrary servers out there. Therefore, I choose to turn OFF TLS for all my outgoing SMTP connections.