[Web-cyradm] Auth Failed in account with upper case character

[John Tobias]

Hello all:

I created an account with upper case character on it (e.g. 4356Z). After 
creation, I tried to login using that account but the authentication failed. 
Then, I found out the message as shown below.

saslauthd[3083]: do_auth : auth failure: [user=4356z] [service=imap] 
[realm=] [mech=pam] [reason=PAM auth error]

The upper case character "Z" in the username was converted to lower case and 
that was the reason why the authentication failed. My questions are:

1) Why the PAM auth received the username in lower case ("Alpha") character 
on it, since the username was submitted with an upper case "Z" value?.

#cyradm --user 4356Z localhost

2) I need to keep the upper case character format in the username. How do I 
specify or configure the system to accept a case sensitive username?

Thanks,

John

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