sendmail logs

Paul Howarth paul at city-fan.org
Fri Sep 24 13:36:11 UTC 2004


Hi Carlo,

Carlo Orecchia wrote:
> I am using the server as an smtp server. It means all clients (let's say 
> 192.168.1.20/25) in my lan send mails throughout my server (let's say 
> 192.168.1.1) which is obviously directly connetted to internet.
> (when i say clients i mean for instance outlook express, not other 
> standalone servers).
> To let these clients relay I have for any IP an entrance in the access 
> like this:
> 
> localhost.localdomain RELAY
> 192.168.1.20 RELAY

This all looks good so far. Do you have any other entries in the file with a 
RELAY tag, particularly any with a name instead of an IP address?

> Now, what i wonder is why sendmail allows relay even if I remove these 
> entries. and only does not allow relay if i remove from hosts the 
> hostname i gave to the machine (e.g. 192.168.1.20 lan01)

It may be relaying because of another feature other than the IP address being 
specified in the access.db.

> About this i guess is because if I remove the hostname the ip does not 
> resolve so the server does not accept it. So the fact i does not relay 
> has nothing to do with the access database or access rules in general.

That looks likely.

> Anyway why if I remove the 192.168.1.20 RELAY line that machine is still 
> able to relay?
> I obviously run makemap and restart sendmail after having modified 
> access file and i don't have relay-domains entries (only localhost)

There's no need to restart sendmail after doing the makemap

What's your sendmail.mc look like? Please post all of it.

Paul.





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