To access the callsign database via email, send a message to lookup AT wm7d.net.
The following shows an example:
To: lookup AT wm7d.net
Keywords are lookup and label. Lookup returns data from a regular callsign lookup. Label returns the data in a mailing label format you can cut and paste into a word processor.
Subject: callsign lookup <- this is important. Otherwise the spam filter will reject your query
For more information, send a message to lookup AT wm7d.net, with help in the body of the message.
NOTE: Do not send your request in HTML format. If you are using gmail, select "Plain Text" from the "More Options" pulldown.