On Feb 26, 2014, at 1:15 PM, Claus Assmann <ca+openbsd_m...@esmtp.org> wrote:
> On Wed, Feb 26, 2014, Aaron Poffenberger wrote: > >> I tried that. If you telnet into smtpd to manually send an email and set >> "rcpt to: <user>" you will receive a "553 Recipient address syntax > > That's invalid even if you gave a proper address. > > RFC 5321: > > RCPT TO:<forward-path> [ SP <rcpt-parameters> ] <CRLF> > ... > Since it has been a common source of errors, it is worth noting that > spaces are not permitted on either side of the colon following FROM > in the MAIL command or TO in the RCPT command. The syntax is exactly > as given above. > I didn’t know that. Thanks.
