Author: Jeremy Harris Date: To: exim-dev Subject: Re: [exim-dev] feature request for exim: query DNSBL providers' DNS
servers directly
On 11/09/17 15:45, Rob McEwen wrote: > - What
> would I need to do to build this as a fork (or addon?) to Exim
Start with source code and build system from git.exim.org, probably.
> - If I
> try to provide a custom build of Exim - would I need to maintain
> multiple versions for different OS's?
Depends on whether you can write what you want in portable fashion.
> Or could I just provide one single
> download for my customers?
Depends on your customers.
> What would be involved for them to install it
> - yet without overritting their existing Exim settings... as a sort of
> drop-in upgrade?
Depends on your customers and what package management system they use.
This part belongs to the distros, in the Linux segment of the world
(I'm unsure if there's anyone else left now, but if there is then
there is presumably an equivalent layer of organisations). It is
not something managed by the Exim project.
> What language is Exim written in?
Mostly 'C'. There's a few ancillary utilities in Perl.
