We were told that entire IP subnet were blacklisted and you are right: some subnet aren't blacklisted - for now..... by Google and other email providers. In that respect, OVH seems to have a bad reputation on email providers. JFM On Sun, Dec 21, 2025, 15:56 Dianne Skoll via linux <linux [ at ] linux-ottawa [ dot ] org> wrote: > On Sun, 21 Dec 2025 14:44:57 -0400 > Jean-Francois Messier via linux <linux [ at ] linux-ottawa [ dot ] org> wrote: > > > It's been known that VPS's hosted at OVH are on black lists. > > FWIW, I've had an OVH VPS for 10+ years and haven't had issues. Maybe > it depends which particular IP or IP block you are assigned? > > > this will persist until someone figures out a better way to > > authenticate email vs their actual source. > > So in other words, it will persist forever. SPF/DKIM/DMARC have all > attempted to authenticate (in some sense of the word) emails from their > "actual source" and haven't made a dent in spam. (Not that they're > actually designed to stop spam, though.) > > Regards, > > Dianne. > > To unsubscribe send a blank message to linux+unsubscribe [ at ] linux-ottawa [ dot ] org > To get help send a blank message to linux+help [ at ] linux-ottawa [ dot ] org > To visit the archives: https://lists.linux-ottawa.org > >