> 
> 
>       A dns query for imap.web.de address records (IN A) returns two ip
> addresses.
> 
> 
> And I'm betting each IP is a hardware load balancer with crap load of
> servers behind each :)
> 

I am converting a bit to containers and there are so many applications that are 
not able to properly resolve and handle errors. Once they have an ip they stop 
doing anything. That it is nicely setup on the server side means nothing. If 
you do this for outgoing email, lots of email clients fail switching to the 2nd 
ip.



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