How is an external mail server going to know to use port 1300 to send mail to your server???
Bill >---------- >From: Camacho, Christian[SMTP:[EMAIL PROTECTED]] >Sent: Wednesday, April 17, 2002 8:04 PM >To: [EMAIL PROTECTED] >Subject: [xmail] Re: Authenticate smtp for external hosts only - Off topic > > >-----Mensaje original----- >De: Davide Libenzi [mailto:[EMAIL PROTECTED]] >Enviado el: Mi=E9rcoles, 17 de Abril de 2002 17:30 >Para: [EMAIL PROTECTED] >Asunto: [xmail] Re: Authenticate smtp for external hosts only - Off t >opic > > > >On Wed, 17 Apr 2002, Camacho, Christian wrote: > >>> >>> Hello Davide, >>> >>> Mmm.. the server doesn't reject the mail. >>> >>> Probably I'm wrong, I think it could be a firewall - related = >problem. >>> I have a virtual port (1300) of a real address, in the firewall, = >mapped =3D >>> to >>> port 25 of the xmail server's private address. I think that probably = >=3D >>> Xmail >>> understands that the mail is originated from the firewall private = >=3D >>> address, >>> not from the external host address. >>> >>> Any idea? > >>there's no way to setup MX records to target port different from 25, = >so >>your virtual port 1300 will never be used directly. > > >Yes, It's true, I have to explain the scenario: >Xmail is fully operative in our lan, it manages all messages from an >internal (private) domain which is working perfectly. >Since Xmail is using an invalid Ip address for the InterNet, I mapped = >port >1300 from a virtual ip to port 25 of xmail server address. I configured = >a >client in internet to use the firewall's port 1300 to send mail and it = >works >ok. I need to put an authentication mechanism to avoid the use of the = >smtp >service to unknown external hosts and permit the use of this service = >without >authentication inside the lan. > >Regards, >Christian > > > > >DISCLAIMER: This message may contain confidential information. If you = >are >not the intended recipient please advise the sender and erase the = >message. >Thank you. > >- >To unsubscribe from this list: send the line "unsubscribe xmail" in >the body of a message to [EMAIL PROTECTED] >For general help: send the line "help" in the body of a message to >[EMAIL PROTECTED] > > - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
