I don't think your spam problem has something to do within week SMTP AUTH
credentials. As you have written, you are using ISA, which could log that
traffic. I think what you see is normal behavior of the MS SMTP. You may
want to have a look at this KB article:
I don't think your spam problem has something to do within week SMTP AUTH
credentials. As you have written, you are using ISA, which could log that
traffic. I think what you see is normal behavior of the MS SMTP. You may
want to have a look at this KB article:
http://support.microsoft.com/de...
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