-----Original Message----- From: mailop [mailto:[email protected]] On Behalf Of Dave Warren Sent: March-17-15 9:29 PM To: [email protected] Subject: Re: [mailop] Help. Why are my emails being marked as spam by google?
On 2015-03-17 06:51, Ian Eiloart wrote: > Unused IP addresses are also not problematic. My only point was this: if the > IPv6 address space is too large for blacklists or other reputation management > tools, then the domain address space is very much larger. There’s always > another address you can register. While this is technically true, domains have a non-trivial cost. IPv6 space is large enough to simply never re-use an IP, ever. Spammers simply can't do anything similar with sending domains. One client of mine (who often talks of gaming gmail or Yahoo) used to say they were considering just giving every new customer their own IP to send to them. Millions of customers millions of IPs used to send, one per unique email address using IPv6 Mike Ellis _______________________________________________ mailop mailing list [email protected] http://chilli.nosignal.org/mailman/listinfo/mailop
