Last week I got this message several times.
This is a test to see if I still have this problem.
Your message did not reach some or all of the intended recipients.
Subject: FW: [Matplotlib-users] update to: I can not get matplotlib to work on a windows xp professional machine
Sent: 3/8/2006 1:00 PM
The following recipient(s) could not be reached:
firstname.lastname@example.org on 3/8/2006 1:04 PM
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
< -a #5.5.0 SMTP; 550 Don't like your HELO/EHLO. Hostname must contain a dot.>