Changes in Version 4.77.10-1
MailScanner at ecs.soton.ac.uk
Sat Jun 13 15:41:24 IST 2009
Just use the IP addresses instead of the hostnames. Trivial, surely?
On 12/06/2009 18:01, Gary Faith wrote:
> I was reading the changelog from the website for Version 4.77.10-1. I
> like the addition of the host:host.domain.com in rules but I have a
> situation where the forward and the reverse names are not going to
> match because of dynamic IPs. I can control the forward DNS via
> DynDNS but I can't control the reverse DNS. Can the "spoofing
> protection" (#9 below) be turned off?
> 8 Implemented a new type of line in rulesets. When you specify a
> "From:" rule, you can use a syntax like "host:hostname.domain.com" to
> use the SMTP client's hostname instead of the numerical IP address.
> This can also be partial hostnames or domain names, such as
> "host:domain.com" or include wildcards anywhere, such as
> "host:mail*.dom*ain.com", or even Perl regular expressions such as
> "host:/(de|dk)$/". This goes where the numerical IP address would go
> in the rule, after the "From:" and before the value to return. Note
> that these are slightly slower than using the IP address as they
> involve a DNS lookup (maximum of once per message), but that value
> should be in your DNS cache as other things will have already had to
> look it up anyway. They are described in more detail in the
> etc/rules/README and etc/rules/EXAMPLES files.
> 9 Added spoofing protection to the "host:" name lookups. Forward and
> reverse DNS entries must now match.
Julian Field MEng CITP CEng
Buy the MailScanner book at www.MailScanner.info/store
Follow me at twitter.com/JulesFM
MailScanner customisation, or any advanced system administration help?
Contact me at Jules at Jules.FM
PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654
PGP public key: http://www.jules.fm/julesfm.asc
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
More information about the MailScanner