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Re: SMTP no-such-user issues
Nathan Ward wrote:
I'm capturing this now.
In the meantime, I had assistance off-list from someone within an external domain, and we confirmed that the problem is NOT solely Hotmail, yet it is not solely my end (at least I'm not completely convinced).
I feel quite a bit more relaxed now, although the problem is not resolved.
Hotmail encompassed domains are the only site that we have noticed this problem with, however, now I'm certain that there could be more. Most are confirmed to work properly, most notably GMail.
It is also not solely related to the Barracuda. Another SMTP server is experiencing the same issue within the same network, which is not located behind the 'cuda cluster. The only common ground is that both environments operate under Qmail. The 'cuda setup with no filtering, and the non-cuda setup with SA, ClamAV being called by Simscan.
We're back to square one, but now I know to point squarely at my configuration to find out why this is happening.
My sincerest regards for all of the on and off-list help that I have received in regards to this issue. I have learned a tremendous amount along the way.
Thank you to everyone who has provided the patience and willingness to help, and those that are continuing to do so.
If it does turn out to be an implementation issue with any of the software chain we have operating here, we will attempt with our best efforts to document it, and provide patches to the original source.