How to allow few printers/scanners relay mails on exchange server?

All these printers and scanners are located at office. A MS exchange 2003 server was using for mail sending/receiving for a group of 50+ staff. Some printers do not support authenticatat ion, so I am thinking allow them to relay mails from the exchange server. All these printers are located at the same network segment (192.168.100.x/24) as exchange server.But for users that want to send mail, they have to be authenticated, btw,how to configure it in exchange?

Those users also wanted to send/receive while away from office.
Who is Participating?
wyliecoyoteukConnect With a Mentor Commented:
Adding the printer IP address of the printer to the smtp anonymous relay will allow the printer to send email to the exchange server, which will relay it to the specified destination.
Your users are allowed to relay by default, but they do not use smtp, they connect to the exchange server using mapi.
Will SzymkowskiSenior Solution ArchitectCommented:
All you need to do is open up the Exchange Management Console and create a "Receive Connector".

- Expand Server Configuration
- Click Hub Transport
- Right click the Hub Transport server, "New Receive Connector"
- Give it a Name
- Use Custom
- Provide the Network segment
- Remove All Authentication
- Under Permission Groups Select Exchange Users and Anonymous Users
- Add the IP addresses of the printers to this receive connector

The printer will then be able to send email from the printer unauthenticated.

Hope this helps
MichaelBalackAuthor Commented:
Hi Spec01,

This is MS Exchange 2003 server.
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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Add printers to the relay list.  SMTP by default allows clients that authenticate regardless of it being on relay list or not.
MichaelBalackAuthor Commented:
Hi mnkhawaja,

You meant in SMTP Virtual server > access tab; In relay section, type in the printer IP one-by-one?

Does this means that if the user's desktop IP not listed in the Relay, then, they have to provide valid user name/password in order to send/receive mail? Regardless of whether they are in the office network or via Internet?
MichaelBalackAuthor Commented:
Hi Mnkhawaja,

Can you reply?
MichaelBalackAuthor Commented:
Yes, it work
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