[clug] Fixed IP ISP

Martin Pool mbp at samba.org
Thu May 13 07:47:08 GMT 2004

On 13 May 2004, Paul Wayper <paulway at mabula.net> wrote:
> Finally I remember to reply to the list, not to the poster...
> At 05:22 PM 13/05/2004 +1000, Martin Pool wrote:
> >On 13 May 2004, Steve Walsh <steve at nerdvana.org.au> wrote:
> >> Erm, I may have to hold you up on part of that. One problem with using a
> >> DHCP address for SMTP is if the destination server is using the SORBS (or
> >> any DNSBL) to limit spam. As the address is part of the registered IP DHCP
> >> space, the DNSBL part declines the connection.
> >>
> >> Drove me mad trying to find out why I wasn't getting emails from a friend
> >> through to my work email until I checked the log. Lo and behold, SORBS/DNSBL
> >> was rejecting the mail, as they are on a ADSL service with a Dynamic DNS for
> >> their domain.
> >>
> >> As a simple solution, Dynamic DNS tools are great, but for hosting your own
> >> server, they do have drawbacks.
> >
> >Right, but even if you get a static IP option, you may still be listed
> >in some of these RBLs which cover consumer/dialup blocks.
> But surely you can get your mailserver to hand all mail to your ISP's mail 
> server (which they provide for you as a customer) and that is a legitimate 
> mailserver for the rest of the world?

Yes, I would think that's what Steve's friend should have done.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
Url : http://lists.samba.org/archive/linux/attachments/20040513/56673723/attachment.bin

More information about the linux mailing list