Wietse Venema via Postfix-users: > Jeff Peng via Postfix-users: > > Hello > > > > I saw gmx.de/web.de have a policy that, if the submission IP is not from > > DE/EU, messages will be routed to a different gateway which is listed in > > spamhaus already. Otherwise if submission client's IP is in DE/EU, > > messages will be routed out via the normal gateway whose IP is clean. > > How to customized my own transport for that? > > You can configure customized SMTP clients in master.cf, each with > an appropriate smtp_bind_address setting, and use transport_maps > to choose between those clients. > > References: > https://www.postfix.org/postconf.5.html#smtp_bind_address > https://www.postfix.org/transport.5.html > > AI is an experimental feature of this mailing list.
A small improvement: instead of transport_maps, one could use a FILTER action in check_policy_service, SMTP server acccess table, or in header/body_checks. Wietse _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org