[horde] Changing login-name before authentication

[Dengel Harald]

Hello,

 

My configuration: horde 3.1.RC1 with  imp, kronolith, turba and nag.
Authentication is performed by imp over an imap-server. The imap-server
accepts only a kind of cryptic login-name (e.g. m1423565-6).

My problem and intention is, how to accomplish

that users can login with a user-friendly login-name (a kind of alias) 
to convert this into the necessary form (m1423565-6) 
 

I have already created a table with the original (imap-) usernames and the
corresponding (user-friendly) aliases, but my problem is, that I don’t know,
how and where to place the converting-instructions, to convert the
login-name before authentication is performed.

Can anybody help me?

Thank you.


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