Gordon McKee wrote: > I have an exim front end server and an exchange backend server. All seems
> fine except that I can't send emails to users on 123-reg's server. all
> messages come back as:
>
> gordonmckee@???
>
> SMTP error from remote mail server after RCPT
> TO:<gordonmckee@???>:
>
> host mx0.123-reg.co.uk [195.224.48.120]: 550-Verification failed for
> <gordonmckee@???>
>
> 550 Sender verify failed
>
>
> I have tried to see if callforward is working and AFAIK it is based on the
> info below. If I telnet to the box and tap in two valid addressed it work
> (see below) and if I tap in an invalid address (see further below) it fails
> as it should do!!
>
> telnet mail-1.optimalprofit.com 25
> Trying 82.36.186.17...
> Connected to www.optimalprofit.com.
> Escape character is '^]'.
> 220 kursk.gdmckee.home ESMTP Exim 4.63 Mon, 18 Dec 2006 16:28:59 +0000
> helo optimalprofit.com
> 250 kursk.gdmckee.home Hello host81-138-243-242.in-addr.btopenworld.com
> [81.138.243.242]
> mail from: gordonmckee@???
> 250 OK
> rcpt to: gordonmckee@???
> 250 Accepted
> data
> 354 Enter message, ending with "." on a line by itself
> testing 1 23 3
> .
>
> 250 OK id=1GwLN1-000Hwr-89
> quit
> 221 kursk.gdmckee.home closing connection
>
