[imp] cannot send mail via smtp

[Opsteeg, P.J.]

Hi,

I have installed Horde-2.2.3-1 and Imp-3.2.1-1 on Redhat Enterprise 2.1 AS.

I'm connecting to a Exchange 2003 server. When i log in i use username at domain.

I can see my mailbox, but when I send an email it won't work. When I look I see that my email adress is username at domain@domain.

Can you help me?

Thanx

Peter