Re: filtering mail from outside with dynamic address

Florin Andrei wrote: > Mikael Bak wrote: >> >> Is it really recommended to run a mail server that accepts email from >> outside with non static IP address? >> >> I would not do it. > > As long as the dynamic DNS service works well, and the IP address only > changes very rarely, why not? > Hi, Yo

Re: filtering mail from outside with dynamic address

Mikael Bak wrote: Is it really recommended to run a mail server that accepts email from outside with non static IP address? I would not do it. As long as the dynamic DNS service works well, and the IP address only changes very rarely, why not? I've been doing this for close to a decade now

Re: filtering mail from outside with dynamic address

Florin Andrei: > Wietse Venema wrote: > > Florin Andrei: > >> Florin Andrei wrote: > >>> Is there a way to bind the listener to an interface using the interface > >>> name (eth5:smtp) instead of the IP (1.2.3.4:smtp)? > > > > No. The bind(2) system call specifies an address. Not an interface, > >

Re: filtering mail from outside with dynamic address

2009/8/12 Florin Andrei : Is there a way to bind the listener to an interface using the interface name (eth5:smtp) instead of the IP (1.2.3.4:smtp)? >> >> No. The bind(2) system call specifies an address. Not an interface, >> and not the route. Connections with source address of X are not

Re: filtering mail from outside with dynamic address

Hi, Florin Andrei wrote: > Running Postfix 2.5.5 on Linux. The system is multihomed, connected to > several private networks, and to the Internet with a dynamic DNS hostname. > Is it really recommended to run a mail server that accepts email from outside with non static IP address? I would not

Re: filtering mail from outside with dynamic address

Wietse Venema wrote: Florin Andrei: Florin Andrei wrote: Is there a way to bind the listener to an interface using the interface name (eth5:smtp) instead of the IP (1.2.3.4:smtp)? No. The bind(2) system call specifies an address. Not an interface, and not the route. Connections with source ad

Re: filtering mail from outside with dynamic address

Florin Andrei: > Florin Andrei wrote: > > > > Is there a way to bind the listener to an interface using the interface > > name (eth5:smtp) instead of the IP (1.2.3.4:smtp)? No. The bind(2) system call specifies an address. Not an interface, and not the route. Connections with source address of X

Re: filtering mail from outside with dynamic address

Florin Andrei wrote: Is there a way to bind the listener to an interface using the interface name (eth5:smtp) instead of the IP (1.2.3.4:smtp)? Also, you know what would *really* help? The ability to say: "bind to all interfaces except this one", by name. That would be really, really neat.