Re: [exim] Blocking non-existant Domain Names

>>
>> # 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.
>

Yes.. doesn't this do a callback? (conenct to remote SMTP server and see if
email exists)

Thanks
Craig