Can someone explain a simple solution using MySQL and PHP how to check if an email has been sent already, stopping duplicates for users.I have a basic script, but it's not working for some reason - http://pastebin.com/k7yiQahbIt inserts into the table the following:\[code\]feed_id, recipient_id, issent\[/code\]
\[code\]0, 0, Y\[/code\]Regards
\[code\]0, 0, Y\[/code\]Regards