Hello all. I am using SME 5.1.2 for a few more weeks until I upgrade to 5.5. I have lately been receiving spam from quite a few individuals. I was first able to block them by activating reverse look-up. These new spams are coming from valid reverse look-up domains, but the the spammer is claiming to be someone else like hotmail.com or yahoo.com.
Can I make qmail deny mail from an smtp server if it "claiming" to be something different than what appears in the reverse look-up domain?
Will this be necessary with SME 5.5, or something totally different?
I am already aware that spamassasin is already out there, but wondered if it was something simple I could do on my end without adding another program to the server.
Thanks for any help.
Tom
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