Re: RCPT TO problem using relay host
- Dennis Putnam:
> I have a machine running postfix that is required to relay mailType the recipient domain into a DNS checking website (see search
> through my ISP's mail server. When I try to send mail, I get this error:
> 550 [PERMFAIL] destination not valid within DNS (in reply to RCPT TO
> Can someone explain what this error means? If I use 'telnet' to send
> the RCTP TO command manually it accepts it.
engine for examples) and see if they report any errors.