Re: Somewhat OT - how do I whitelist a host which is in a DNSBL in sendmail?

[Karsten Bräckelmann <gu...@rudersport.de>]

s/somewhat//  # ;)

On Thu, 2014-07-24 at 09:58 -0500, Thomas Cameron wrote:
> I'm running Sendmail-8.14.8-2.fc20.x86_64. I have several DNSBLs listed:
> 
> FEATURE(`dnsbl',`in.dnsbl.org ')dnl
> FEATURE(`dnsbl',`sbl-xbl.spamhaus.org')dnl
> FEATURE(`dnsbl',`cbl.abuseat.org')dnl
> FEATURE(`dnsbl',`dul.dnsbl.sorbs.net')dnl
> 
> Unfortunately, my home network is attached to a cable provider which
> shows up in dul.dnsbl.sorbs.net.
> 
> Can I whitelist my IP address so that I can send mail through my mail
> servers? Right now, it gets rejected.

Not sendmail specific, and I wouldn't know the exact sendmail conf for
this anyway, but:

You should use authentication, and configure your SMTP to accept
authenticated connections before rejecting based on DNSBLs.


-- 
char *t="\10pse\0r\0dtu\0.@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4";
main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;i<l;i++){ i%8? c<<=1:
(c=*++x); c&128 && (s+=h); if (!(h>>=1)||!t[s+h]){ putchar(t[s]);h=m;s=0; }}}