On 29 Aug 2005 at 10:23, Craig Whitmore wrote about
"Re: [exim] Blocking non-existant Do":
| >>
| >> # Deny unless the sender address can be verified.
| >>
| >> require verify = sender
| >>
| > You're going to get a lot of false positives if you do this because if
| > there's a server problem in verification of the sebder it's going to
| > bounce.
Not so.
| Yes.. doesn't this do a callback? (conenct to remote SMTP server and see if
| email exists)
No.
- Fred