I am trying to ecnrypt email storage at rest, such as Two-way encryption and decryption.
Thanks :) > > Hello Henry, > I am running my own email-server as well and can connect to t-online. I > assume Viktor is right that they somehow check the imprint of a parallel web > site. My website does not indicate I am offering email service commercially, > which in fact I do only to organizations I know personally. > I did get blocked by Outlook though and changed ip address to resolve that. > Your data center might be suspect to them. You may want to try a VPN to a > different one that has better reputation. > Btw - what "encryption" are you doing? > Regards, > Joachim > > -----Ursprüngliche Nachricht----- > Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im > Auftrag von Viktor Dukhovni > Gesendet: Mittwoch, 30. November 2022 07:55 > An: postfix-users@postfix.org > Betreff: Re: how to deal with t-online's blocking > > On Wed, Nov 30, 2022 at 02:08:57AM +0000, Henry R wrote: > > > > > But t-online.de keep blocking me. I have contacted them twice and got the > > same answer: > > > > We only allow evidently commercial or similar operators to connect > > to our mailservers. So, as a private user please use an SMTP relay > > or e-mail gateway of your hoster or ISP, that you can use as part > > of your contract with them. Their support will surely help you to > > configure your system accordingly. > > > > That's so strange policy to permit only commercial company to send > > messages to them. But there are many small companies/org who have > > their own mailservers, which can't send messages to t-online directly. > > > > Most likely this is not their actual policy, but rather a way for some > underpaid level-1 tech support staffer to close your issue. > > See https://postmaster.t-online.de/#t4 for what appear to be the actual > requirements. They do appear to expect sending domains to have a website, > public contact addresses, ... but a requirement to be a commercial operator > isn't there, best I can tell. > > You could try to escalate after politely pointing to the above page and > pointing out that it does not in fact prohibit suitably operated personal > mail servers. > > -- > Viktor. >