[Dshield] smtp test for open relay

Mark Tombaugh mtombaugh at alliedcc.com
Mon Jun 23 04:27:54 GMT 2003


On Sunday 22 June 2003 8:31 pm, Marc Chabot (.net) wrote:
> Hi.
>
> Do you have links to ips web sites (or others) that test for open
> relays for an IP ?  I've got one to test and I don't know where to go.

If this is a new mail server you might shoot yourself in the foot by using 
RBLs to test it. Test it yourself eg:

telnet iptotest 25
HELO
MAIL FROM: blah at blah.com
RCPT TO: your at email.com
If you get this, the relay is open
<return>.<return>
quit




More information about the list mailing list