[horde] Unable to authenticate with SMTP

[Jeff Warnica]

Check your smtpserver's logs...

Doug Zeier wrote:
> I seem to be having some sort of issue that I can not pin down, I have 
> horde and imp installed and I am able to receive mail but when sending I 
> get an error stating "Unable to authenticate with SMTP server"  any 
> suggestions as to where to start on fixing this I have tried everything 
> I can think of.
>