On Mon, Jun 12, 2023 at 08:47:10AM +0000, wesley--- via Postfix-users wrote:
> may I know that, what's the mechanism for postfix to stop mail > delivery looping? > > for example, [email protected] forwards to [email protected], and [email protected] forwards > back to [email protected], this will be a loop. > > so how postfix find and stop this behavior? By limiting the "hop count" (count of Received headers) and by checking "Delivered-To:" headers added as part of indirect (aliases, ...) local(8) delivery. -- Viktor. _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
