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Many thanks to Rob, who yet again diagnosed
- my domain is hosted on a virtual server
- sharing its IP address with others
- one or more of whom is a spammer
- and has thus gotten my (our) IP address blacklisted.
I *read* my e-mail elsewhere, and it was the forwards that were failing. Coming to a conscientious destination from a blacklisted, no-reverse-DNS-lookup-possible IP address, of COURSE they all failed.
This is not the first time it has happened. It's not even the first time this year that it has happened. Rob has written some Stern Words to the folks hosting my (and his) virtual server about kicking spammers off and keeping the IP addresses they provide to customers off the blacklist. (They responded with "For $1 more per month, upgrade to a dedicated IP of your own!" That response takes chutzpah, don't you think?)
Now if only I can remember all this NEXT time it happens, so I don't have to impose on Rob yet again.
- my domain is hosted on a virtual server
- sharing its IP address with others
- one or more of whom is a spammer
- and has thus gotten my (our) IP address blacklisted.
I *read* my e-mail elsewhere, and it was the forwards that were failing. Coming to a conscientious destination from a blacklisted, no-reverse-DNS-lookup-possible IP address, of COURSE they all failed.
This is not the first time it has happened. It's not even the first time this year that it has happened. Rob has written some Stern Words to the folks hosting my (and his) virtual server about kicking spammers off and keeping the IP addresses they provide to customers off the blacklist. (They responded with "For $1 more per month, upgrade to a dedicated IP of your own!" That response takes chutzpah, don't you think?)
Now if only I can remember all this NEXT time it happens, so I don't have to impose on Rob yet again.