RH9 SMTP/POP3 problems

[Dan Trainor - hostinthebox.net]

> 
> 
> Dan Trainor - hostinthebox.net wrote:
> 
>> I think that this is the wrong list for troubleshooting this kind of 
>> problem...
>>
>> However, I know how much of a pain in the ass that this can be.  ANy 
>> chance that DNS is flakey?  Are you running round-robin DNS?  This can 
>> happen by "accident" sometime, if two entrys are made for the same 
>> hostname.  Although if it was a DNS problem, I would suspect that LOTS 
>> of people would have this problem (About 50% of people would have a 
>> problem at any given time, if there's a 1:2 round-robin setup, and so 
>> on).  How about telling us how often this happens?  Does it happen 
>> with specific machines more than others?  Anything else?
>>
>> Thanks
>> -dant
>>
> 
> I was torn as to which would more readily apply between this and the 
> main redhat-list.  The Main one seems to be more current 
> distro's..perhaps I made the wrong choice?
> 
> DNS is having issues presently.  I am working on a replacement for the 
> old existing DNS servers.  I suspect that I could test this by entering 
> an IP instead of the name of the server for SMTP and see if that fixes 
> the problem.
> 
> So, you have seen flakey DNS exhibit this type of problem?
> 
> Eucke
> 
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Eucke -

Yeah, I've seen that happen before.  Try doing just that - use the IP as 
the mail server for a while, see how that works.

Which MTA are you using?

Thanks
-dant