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Best solution provided, no more other questions from author
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Best solution provided, no more other questions from author

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I need to delay all &nbsp;EXTERNAL emails for 5 minutes going out and all emails within the domain to deliver as normal. we are using SBS2011 and the clients are using Office 2013 outlook.
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I need to delay all  EXTERNAL emails for 5 minutes going out and all emails within the domain to deliver as normal. we are using SBS2011 and the clients are using Office 2013 outlook.

Delay email sent externally but no delay on emails within the domain

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

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

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.