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You should be using CDOSYS, CDONTS doesn't come with IIS7
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You should be using CDOSYS, CDONTS doesn't come with IIS7

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we made it work on the other sites on that server.
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we made it work on the other sites on that server.

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Then you must have copied it and manually registered it on the server.
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Then you must have copied it and manually registered it on the server.

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so if it works for one site, shouldn't it work for all?
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so if it works for one site, shouldn't it work for all?

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Sorry I read it as a new server.<br />
The message indicates it isn't registered or the IUSR account doesn't have permission to access it.
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Sorry I read it as a new server.
The message indicates it isn't registered or the IUSR account doesn't have permission to access it.

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Where would I find the settings to adjust it?
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Where would I find the settings to adjust it?

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I have a dedicated server for all my sites.<br />
All my sites use CDONTS. I just set up a new site and it's giving me this error:<br />
ActiveX component can't create object: 'CDONTS.NewMail'<br />
Is there a setting I have to put in IIS7 to make it work?
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I have a dedicated server for all my sites.
All my sites use CDONTS. I just set up a new site and it's giving me this error:
ActiveX component can't create object: 'CDONTS.NewMail'
Is there a setting I have to put in IIS7 to make it work?

CDONTS works sometimes and sometimes not

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.

Microsoft IIS Web Server

Web development includes all aspects of presenting content on intranets and the Internet, including delivery development, protocols, languages and standards, server software, browser clients, databases and multimedia generation.

Web Development

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.