what i want to achieve is that for specific domains\servers\destinations i will use auth user. as i was just migrating mail system there was a hole that allowed remote servers to send mail to local users behalf of a local users without authentication as a local user and forging mails on this system.

in order to allow servers that i want to allow sending behalf of specific users at my system i want to add on other systems the "relayhost" options with sasl auth.
but i want it to be used only when sending to my server\s.
i want to make sure i understood everything right about this option.
if i will add a hash: or mysql: table to relayhost with a list of servers i will need to have parallel records in the "smtp_sasl_password_maps". so what in the case of i dont have a record for the domain\server the default value of relay will be used?

Thanks,
Eliezer



--
Eliezer Croitoru
https://www1.ngtech.co.il
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il

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