> How can I find out whether this person is one of the user under the > domains that I host?
You only have their IP address and their AUTH creds, if supplied. If that helps you find 'em, go for it. > Can I tighten up my IMAIL security to avoid this? The only safe settings are 'Do not relay' and 'Relay for addresses.' What are you using? -Sandy Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
