your first solution works adding the join, but adds the actual <br> into the email. 
1a.txt<br>
1b.txt<br>
1c.txt<br>
1d.txt<br>
1e.txt<br>
1f.txt<br>
1g.txt<br>
1h.txt<br>
1i.txt<br>
1j.txt<br>
1k.txt<br>
1l.txt<br>
1m.txt<br>
1n.txt<br>
1o.txt<br>

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In reply to Re^2: adding carriage return to gmail script by flieckster
in thread adding carriage return to gmail script by flieckster

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