On Fri Mar 11 2016 09:09:29 Viktor Dukhovni     <[email protected]> 
said:
> 
> On Fri, Mar 11, 2016 at 08:57:48AM -0700, @lbutlr wrote:
> 
>> I have MX monitoring that says I am not on any blacklists and that the 
>> server is secure 
>> 
>> # dig @8.8.8.8 covisp.net any
> 
> My first SMTP connection attempt to your server resulted in:
> 
>    $ posttls-finger covisp.net
>    posttls-finger: Connected to mail.covisp.net[65.121.55.42]:25
>    posttls-finger: < 220-mail.covisp.net ESTMP -- Please wait
>    <brief delay>
>    posttls-finger: < 220 mail.covisp.net ESMTP Postfix 3.0.3
>    ...
> 
> Subsequent connections yield:
> 
>    $ posttls-finger covisp.net
>    posttls-finger: Connected to mail.covisp.net[65.121.55.42]:25
>    posttls-finger: < 220 mail.covisp.net ESMTP Postfix 3.0.3
>    ...
> 
> You have some sort of proxy in front of your Postfix server.  The
> proxy may be blocking Yahoo's servers.

That is postscreen, which has a 4 or 5 second delay for new connections  
however, that connection would be logged, wouldn’t it?

The only instances of yahoo.com I see in the logs are faked email addresses 
from Russian domains

-- 
THERE WAS NO ROMAN GOD NAMED "FARTICUS" Bart chalkboard Ep. 5F06


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