Yep, T-Online finally just confirmed this for me a bit ago. Cheers, Al Iverson
On Wed, Jun 10, 2020 at 12:57 PM Ralph Seichter via mailop <mailop@mailop.org> wrote: > > * Hetzner Blacklist via mailop: > > > For the past few years, T-Online have been moving to a system where > > they block all unknown IPs. [...] > > This statement matches what I experienced. Freshly installed mail > servers (with matching SPF entries) were unable to send email to > T-Online until I contacted the e-mail address listed in the rejection > message and asked for unblocking. That never took longer than two > business days. > > -Ralph > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- Al Iverson // Wombatmail // Chicago Song a day! https://www.wombatmail.com Deliverability! https://spamresource.com And DNS Tools too! https://xnnd.com _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop