why does my D2009 exe produce emails with attachments named ATTnnnnn.DAT

Question

Why does my D2009 exe produce emails with attachments named ATTnnnnn.DAT when the same source code compiled in D2007 produces emails with attachments correctly named with th

Answer 1

Has the IdAttachment.Filename property been set? It's possible that between the Indy versions they changed the way that Filename works.