Yep, had exactly the same problem until I downloaded the updates.
ftp://ftp.ibiblio.org/pub/Linux/distributions/e-smith/dev/6.0dev/updates/6.0beta3/RPMS/Del wrote:
>
> Hi All,
> I have just installed SME6beta3 for testing before I upgrade
> my SME5.6 server.
> It is set in server only mode behind my SME5.6 box which is
> in server and gateway mode using a cable modem to connect to
> the internet. I have set the 5.6 boxes IP address as the
> gateway for the SME6beta3 box and it connects to the internet
> OK (using the test internet connection option in server
> console). I have installed the latest updates to the
> SME6beta3 box. My problem is: I cannot get it to collect
> email from my isp pop server. I have got the email settings
> in the server-manager set as multidrop (also tried standard)
> pop and imap access set to allow access only from local
> networks (also tried public access). Webmail is enabled.
> I have sent email from adminto my user name and received it,
> replied and admin received it so the email works internally.
> I have sent a test message to my isp email from my user and
> received it OK (checked using their webmail) but still sme6
> won't collect it for me. Any ideas or help would be
> appreciated.
> Regards,
> Del