With reference to your message with the subject:
"wxpython-users digest, Vol 1 #118 - 3 msgs"
The local mail transport system has reported the following problems
it encountered while trying to deliver your message:
···
-------------------------------------------------------------------
550 relaying to <jhsh@iafrica.com> prohibited by administrator
-------------------------------------------------------------------
Your mail message is being returned to you in the next part of this
message.
Please do an Email address lookup at http://www.sun.ac.za/
Should you need assistance, please mail postmaster@AKAD.SUN.AC.ZA.