Auth_imp: Required IMAP extension not found.

[dracoola]

I've installed Plesk 7.5.4 for Debian 3.1 and everything allright.

But when i tried to login imp (webmail.domain.com) it says Auth_imp: Required IMAP extension not found.

how can i correct this error?

 

[oracle]

was a resolution to this found out?

 

[NetWhiz]

Was a resolution found by anyone?