Outgoing Mail Rule Cannot Be Overwritten

[lordfa9]

I have a rule set into my Outlook 2010 that delays every email I send out by 5 mins as shown below

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But when I try to overwrite the rule at this screen for any specific email, the new rule does not register and the email follows the 5 min delay

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is there anything I can do? I want the standing rule of a delay by 5 mins to still stand at all times but the flexibility to change it as and when needed

[Aardigspook]

Perhaps try adding an exception to the rule?
Something like this maybe:

Apply this rule after I send the message
defer delivery by 5 minutes
except if assigned to DelayOff category

You'd have to create the category first, of course, and apply the category before sending.