com
Subject: RE: [Declude.JunkMail] Blocking on no REV DNS?
Headers from a typical email with missing reverse DNS:
Received: from UnknownHost [208.94.247.117] by xx
X-RBL-Warning: REVDNS: This E-mail was sent from a MUA/MTA
208.94.247.117 with no reverse DNS entry.
W
: supp...@declude.com [mailto:supp...@declude.com] On Behalf Of Andy
Schmidt
Sent: Monday, February 14, 2011 10:49 AM
To: declude.junkmail@declude.com
Subject: RE: [Declude.JunkMail] Blocking on no REV DNS?
I suppose it depends on your clients. I host mostly small to medium business
sites, bounce on
I suppose it depends on your clients. I host mostly small to medium business
sites, bounce on reverse DNS at my gateway and only get a question once or
twice a year, where I assist some clueless Email Admin about contacting his
ISP to set up the proper reverse DNS.
I explain to them that we are
For what it's worth, I still test against REVDNS and it's never been
worth a HOLD action all by itself.
I score it at 25% of my HOLD weight threshold.
Reverse DNS lookups can go through a lot of lookups; if their DNS is too
slow and doesn't respond, you will inadvertently score against them
unf
