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When you say &quot;Full Mailbox,&quot; do you mean, setting up the secondary (POP) account as an additional regular Exchange box would resolve the issue?<br />
<br />
I agree re Outlook 2010 but those decisions are made by corporate IT, not me.
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When you say "Full Mailbox," do you mean, setting up the secondary (POP) account as an additional regular Exchange box would resolve the issue?

I agree re Outlook 2010 but those decisions are made by corporate IT, not me.

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If the account is POP3, then it is a full mailbox. You just need to grant Full Mailbox Access permissions to it, as well as Send As. <br />
<br />
Simon.
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If the account is POP3, then it is a full mailbox. You just need to grant Full Mailbox Access permissions to it, as well as Send As.

Simon.

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Outlook 2007 is sending duplicate emails under the following circumstances:<br />
<br />
- User has two accounts, one Exchange-based, the other POP -- both accounts live on the same server<br />
<br />
- When user sends to a group and CC's 3rd-parties who are not in the group, the 3rd parties receive the dupes<br />
<br />
- When the POP account is disabled, no one receives dupes.<br />
<br />
Is this a client issue, or server issue?
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Outlook 2007 is sending duplicate emails under the following circumstances:

- User has two accounts, one Exchange-based, the other POP -- both accounts live on the same server

- When user sends to a group and CC's 3rd-parties who are not in the group, the 3rd parties receive the dupes

- When the POP account is disabled, no one receives dupes.

Is this a client issue, or server issue?

Outlook sending duplicate emails under certain circumstances

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.