The mailing list for listmasters using Sympa

[address@concealed]

1. student id for authentication and email address for authorization:

I want to setup md5 for authentication, however, some students have more than 
one email address, school and dept.  I prefer them to use the one from the 
dept that they are in.  I have a table which has studentID and associating 
dept email addresses set up on the ML server already.  Is there a simple way 
to configure the site to use student id for authentication with corresponding 
email address for authorization (subscription/post/review).

2. Auto Bounce management:

I've tried to configure the server to remove the users after 2 bounces 
without success.  I might not understand the document clearly.  This type of 
settings should go to sympa.conf or the config file of each list itself.  I 
tried both in sympa.conf and the config file of some lists but could not get 
it working.  When I specified level 2 bounce in sympa.conf it could not 
recognize the syntax and refused to start sympa.  I moved it to the config 
file of a test list but seemed not working either.  Am I missing something 
here, can someone shed some light on this?

Thanks in advance for your help!