Did you check SSIS Package Configurations?

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>I'm creating some dtsx packages .
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>Some of these packages send emails and at the moment I have an SMTP connection in each one. So if I want to change the connection I will have to change all the packages.
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>Is there any way I can pick up the connection from a common variable or place and use that so if I want to change the SMTP connection for all my packages I only have to do it it one place.
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>Same thing would apply to file location etc.
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>Thanks
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>Nick