How to check if an email address exists an is reachable

This is a common occurrence where you receive at least one rejection email with the following Message Delivery Status (or Subsystem), as a result of sending it to a problematic or non-existing address.   So to check if an address actually exists or  ‘receives’ mail you could simply send an email to that address (with the ‘delivery notification’ flag active) […]

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Facebook: deactivate photo tag suggestions

Facebook has long since introduced facial recognition of photographs to facilitate TAG activity for users.  This means that when you add a photo with friends/parents/etc… the system recognises their faces directly in the photo and suggests the tags to insert.  Obviously the function is two-way, as your acquaintances will also be able to tag you by suggestion.   If you want to disable this feature, and thus prevent Facebook scripts from analyzing other people’s photos by looking for your face, you can do the following:  On Facebook, at the top, next to the padlock symbol,  there is a small arrow pointing downwards, click on it and go to ‘Settings’.  In the new page that opens, from the left panel go to ‘Journal and added tags’   go to the ‘How do I manage people’s added tags and tag suggestions’ section 

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