Arbitrary rules work best when the provider is either globally or locally an 800lb gorilla, as they used to say on Usenet (where does an 800lb gorilla sit? anywhere it likes).
There isn’t much cost to putting up a cname redirect (say on www.thatdomai<http://www.thatdomain>n) with a website so this particular arbitrary rule is easy enough to comply with, I guess. --srs ________________________________ From: mailop <mailop-boun...@mailop.org> on behalf of Scott Q. via mailop <mailop@mailop.org> Sent: Monday, April 14, 2025 8:32:36 PM To: mailop@mailop.org <mailop@mailop.org> Subject: [mailop] Deutsche Telekom Anyone dealt/dealing with them in getting IPs unblocked ? It seems they have a new internal regulation where they want the sending domain to be explicitly linked to the actual owner that sends the e-mails. Which makes sense in theory but there's a lot of providers out there, including us, GoDaddy, ResellerClub, etc that use private domain names ( think secureserver.net ) that intentionally don't say who the owner is. Usual abuse@, postmaster@ addresses exist and are monitored but they claim those aren't reliable and want a website put up that gives a direct contact ( with phone # I guess ) Their reasoning is: "In case of a malfunction e-mail is not available. Therefore an e-mail address in the systems domain is not suitable for "quick" electronic contact to the person responsible for sending e-mails from this system." Thoughts ?
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