On Mon, Sep 15, 2003 at 08:00:38PM -0800, Rossz Vamos-Wentworth wrote:
> I was trying to sign up for a local job board (some of us could use
> some honest work) and got this in my logs when they attempted to send
> me my password:
>
> Sep 15 09:37:17 vife exim: 2003-09-15 09:37:17 no host name found for
> IP address 208.140.9.101
> Sep 15 09:37:17 vife exim: 2003-09-15 09:37:17
> H=(mail.pleasantonjobs.com) [208.140.9.101] sender verify fail for
> <webmaster@???>: all relevant MX records point to non-
> existent hosts
>
> This is the only time I've had this particular problem. Is there
> something I can change in my exim configuration that would allow this
> through without opening up security holes?
I have the following in my configure file to allow me to add domains to
a 'whitelist' file. Mail received from those domains do not undergo
sender verification checks in the rcpt acl:
# Whitelisted hosts:
WHITELIST_DOMAINS_FILE = /etc/mail/whitelist_domains
<snip>
(this is towards the end of my rcpt ACL, don't want to do this too
early:-)
# Deny unless the sender address can be verified via callout:
require verify = sender
deny !sender_domains = WHITELIST_DOMAINS_FILE
!verify = sender/callout=55s
--
Jez
http://www.munk.nu/
