The postfix mailing list has moved to list.sys4.de and some other open source projects will follow. All messages from list.sys4.de will carry an ARC signature and will additionally be DKIM-signed with the sender domains DKIM key.
If you'd like to add list.sys4.de as a bulk sender, here's what you will probably will need: list.sys4.de 188.68.34.52 2a03:4000:10:51d:b8ce:63ff:feca:a5a0 TIA, p@rick -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG,80333 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer, Wolfgang Stief Aufsichtsratsvorsitzender: Florian Kirstein
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