Did you recently turn on no relay> This would be a good thing if you did. But your customers need to check the box that tells their mail client to authenticate.
Kevin Bilbee > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:Imail_Forum- > [EMAIL PROTECTED] On Behalf Of Bill Green dfn Systems > Sent: Monday, July 24, 2006 3:12 PM > To: IMail_Forum@list.ipswitch.com > Subject: [IMail Forum] Connection Problems with relaying messages > > OK guys, I need your help. I have suddenly begun getting calls from > customers who can't send email. They are getting responses like the one > below. > > > > Unknown user: [EMAIL PROTECTED] > > > > RCPT TO generated following response: > > 550-authsmtp05: Host 206.206.88.7: No unauthenticated relaying > > permitted > > I've checked for open relays on my server and found none. Am I > overlooking something? > > Bill Green > dfn systems > > > --- > [This E-mail scanned for viruses by Declude EVA] > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail- > archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
