I think the reason is that they think we might trust the secondary MX more than anything else and therefore let it through without checks.
-- Martin Hepworth Snr Systems Administrator Solid State Logic Tel: +44 (0)1865 842300
Yang Xiao wrote:
Hi all, I've been noticing it lately that almost 90% of emails come in through our secondary MX host are spams, I just want to know if there's an explanation for this, my guess is that the spammers spam the secondary MX host intentionally for some reason I can't understand, maybe hoping the secondary host will configured with less care?
Many thanks,
Yang
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