It can be found under:targeting dimension->email header parameters->subject.It unfortunately, can't be selected in the query itself (nor an enrichment activity), but can be referenced in data extraction activity or similar.It can also probably be pulled from a javascript queryDef, but I haven't trie...

You can get the subject line from:delivery.mailParameters.subject

The code above is not a full solution and was only provided to illustrate HOW to do it.  The final solution will be entirely dependent on your data and how your schemas are set up.  That being said, recipient.country is a link to an already linked table out of the box and may or may not have data in...

This can be done multiple ways, depending on how your data and links are set up.  Three ways off the top of my head are:1. The easiest way is to just use personalization within the link:<a href="http://somelink.com/<%= recipient.country %>/download.pdf">...</a>2. You can also use if/else or switch s...