>>On 29.07.16 06:48, Sam Varshavchik wrote: >>>Courier should accept postmaster@[ipaddress], where ipaddress matches >>>the connection's IP address. It won't accept any other IP address.
>Matus UHLAR - fantomas writes: >>what about servers behind DNAT? On 30.07.16 08:30, Sam Varshavchik wrote: >That's obviously a problem. But this problem is due to DNAT itself. > >If a mail server accepts any IP address, delivers locally for its own >IP address, and relays everything else, DNAT will still be a problem >there. A mail addressed to postmaster@[public ip address] which reach >the server, which will promptly attempt to relay it. hmmm list of local ip addresses could do that. maybe in the "hosteddomains" file, although I would prefer defining it in virtualdomains and only configured postmaster@ in those domains -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. "One World. One Web. One Program." - Microsoft promotional advertisement "Ein Volk, ein Reich, ein Fuhrer!" - Adolf Hitler ------------------------------------------------------------------------------ _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users