Authenticating external users
Posted: Mon Apr 03, 2006 4:57 pm
I need to support users that are physically external to my network.
I have been beating around with this question, and lack answers. I have done some SMTP tracing (http://www.zoneedit.com/smtp.htm) AND think i have a handle on what is not working......
Somehow, I have to distinguish between the following and act properly:
Allowed actions:
Internal users that want to send email from their address
Internal users that want to send mail from an external address (with some sort of header added. Actually there are only a few cases like this, so perhaps they can be 'hardcoded')
external relays that want to send mail to send mail to users on my server
external users that can authenticate and then mail from themselves both inside and outside.
What I am seeing with the default smtpd.cfg is that there is no offering of the extensions (like AUTH) to an outside SMTP sender. So if the TO is not a user on my server, the mail gets rejected as spam:
550 Denied due to spam list
On my old server, I was able to set the SMTP to do the AUTH if that IP address did a POP within the last n minutes.
How do I support my external users with SCALIX?
I have been beating around with this question, and lack answers. I have done some SMTP tracing (http://www.zoneedit.com/smtp.htm) AND think i have a handle on what is not working......
Somehow, I have to distinguish between the following and act properly:
Allowed actions:
Internal users that want to send email from their address
Internal users that want to send mail from an external address (with some sort of header added. Actually there are only a few cases like this, so perhaps they can be 'hardcoded')
external relays that want to send mail to send mail to users on my server
external users that can authenticate and then mail from themselves both inside and outside.
What I am seeing with the default smtpd.cfg is that there is no offering of the extensions (like AUTH) to an outside SMTP sender. So if the TO is not a user on my server, the mail gets rejected as spam:
550 Denied due to spam list
On my old server, I was able to set the SMTP to do the AUTH if that IP address did a POP within the last n minutes.
How do I support my external users with SCALIX?