is true madness to not trust, make a whitelist from it is only makes things even worse admins that have so many mail server ips have no need of help from spf i just like to get a 2020 yaer test to why and where its still usefull ?
is true madness to not trust, make a whitelist from it is only makes things even worse
admins that have so many mail server ips have no need of help from spf
i just like to get a 2020 yaer test to why and where its still usefull ?