Author: Tim Jackson Date: To: Exim Mailing List Subject: Re: [Exim] localhost as SMTP server again: Dynamic IP adresses
being blocked
Hi Toralf, on Wed, 07 Jan 2004 11:54:33 +0100 you wrote:
> There is of course a different, perhaps more serious, problem with using
> localhost as SMTP server setting in the MUA (see previous thread): It
> could mean that dynamically assigned IP addresses are listed in
> Received, and some receiver's don't like that;
Again, it's not necessarily to do with the "Received" header; yes, many
hosts will block mails that come in on a connection from a "dynamic" IP.
> I'd be interested in hearing how other people address this issue
The best way is to use an SMTP smarthost which allows SMTP AUTH (i.e. you
can relay through it from anywhere, using a username/password). Some ISPs
offer this, or it's easy to set up with Exim if you have an Exim machine
on a static IP. Then, change Exim on the laptop (or whatever) to send all
messages through the smarthost, authenticating as necessary.
