Seems the ' is the problem here. How the mail id has been stored in the outlook express? Can you test the same using telnet?
On Mon, Jan 11, 2010 at 3:37 PM, Amit <[email protected]> wrote: > Hi Everyone, > > Please find the bounced message 1 of my user get back. I'm unable to > understand what is this error exactly. > > Your message did not reach some or all of the intended recipients. > > Subject: FW: Refund cheque Amount > > Sent: 11/01/2010 2:39 PM > > The following recipient(s) cannot be reached: > > '[email protected]' on 11/01/2010 2:40 PM > > 511 sorry, recipient address has invalid format (#5.1.1 - > chkuser) > "[email protected]" is correct. > > Regards, > > Amit > >
