Author: Marc Perkel Date: To: Michael Haardt CC: exim-users Subject: Re: [exim] Default enabling of dnsdb
Michael Haardt wrote: > On Tue, May 05, 2009 at 04:27:13PM +0100, Mike Cardwell wrote:
>
>> I'd like to petition for a change in the default makefile for 4.70 such
>> that DNSDB is enabled by default.
>>
>
>
>> I can't see any disadvantage to it being compiled in... I just compiled
>> Exim with it, and then again without it and the difference between the
>> two binaries was a mere 4285 bytes... Most *emails* are bigger than 4285
>> bytes these days...
>>
>
> My initial thought was: Bloat starts at a single byte you don't need,
> and as a matter of principle, it shouldn't be included.
>
> But: Exim already contains various resolver functions. Any other lookup
> encapsulates something that's not in Exim by default, so dnsdb is unlike
> any extra lookup else. I guess lsearch is included by default for the
> same reason, as are dbm lookups.
>
> Personally, I never used dnsdb, but perhaps I should change that.
> The ability to block based on the NS record for a domain sounds useful
> and that's in no way abusing DNS as a database. The lookup name is
> misleading, dnsdb is even more useful for applications where DNS is not
> abused as a DB!
>
> Including something that never was default is a significant change,
> though, so we better prepare for 4.71 being released soon after 4.70,
> in case changes are required for minor OS.
>
> Michael
>
>
