Robert Fitzpatrick wrote: > I have a certain user that I try to send mail to on an Earthlink domain > and receive this error... > > RCPT TO <[EMAIL PROTECTED]> failed: <[EMAIL PROTECTED]>: > Recipient address rejected: unverified address: connect to > mx00-dom.earthlink.net[207.217.125.16]:25: Operation timed out > > As you can see, we do address verification, but the problem appears to > be timing out. But I send to another user on the same domain and the > message goes out without delay both before and after this error. I > looked up this other user message in the logs and their address was > verified OK and used the same IP address for successful delivery. What > does this tell me? > > I suggest that you do *not* use reject_unverified_recipient for the entire internet. If you accept the mail from reliable sources, your server will retry until it gets an answer.
<opinion> The current best use view of reject_unverified_(recipient|sender) is to use for your domains that you control. </opinion> Brian
