DKIM and Domain Aliases
Question asked by Rene Eisenmann - 11/11/2023 at 1:29 AM

a customer has 5 Aliases on his E-Mail Server do i need to add the DKIM DNS Entry to all the Alias Domains as well ?

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I think so
Gabriele Maoret - Head of SysAdmins at SERSIS
Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)
You need to authenticate every domain sending email beeing an alias or not. Thats what DKIM is...
Rene Eisenmann Replied
okay so in smartermail every domain only gets on set for dkim .. just use this on all the domains ?

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