>Hi,
>
>This explanation may not be technically exact, but in principle, I think it's correct.
>
>The sender's email address is easy to spoof when mail is sent. Because of this, one of the methods to try to reduce spam is to do a reverse lookup.
>
>When a recipient's email server is configured to do this, it trys to confirm that the domain in the FROM address 'joe@somewhere.com' (i.e., somewhere.com) really is the server that the message originated from. If not, it bounces the mail.
>
>I don't think this is directly related to SEE4FP.
>
>I think it's related your your email server and the sender address you're using.
>
>Guy
>

It might not be directly related to See4FP but I think it has to do with a property in See4FP because if I send an email to my sutomer with my Outlook client it doesn't bounce. Both Outlook and See4FP uses the same email server.

Einar