Does anyone know how necessary this entry is, as opposed to just having records beginning with selectors?
It seems like the t=y means that testing is on and to not actually block messages that fail DKIM, and o=~ means that some messages aren't signed. I'm not sure why the article is suggesting people use those settings, since they are entirely variable between different users and their config.
It seems like the t=y means that testing is on and to not actually block messages that fail DKIM, and o=~ means that some messages aren't signed. I'm not sure why the article is suggesting people use those settings, since they are entirely variable between different users and their config.