You could experiment doing it by using different status's like I do below: If it's a big event, I give everyone a Pending Approval status, then manually tag them as Registered afte...
I retested, I think you need to nest the left and right tables in another table with two columns, see attached. I tested this is Outlook 2010 and it looks fine now, it may have too...
As long as you have Unsubscribe field synced to Salesforce, as soon as someone unsubscribes or an email hard bounces, you'll see that person Unsubscribed in SFDC. To check if this ...
Add the attached code to the main body WYSIWYG. All I did was split the <table> into 2 tables, align them left/right and gave them a class of row.<table border="0" cellspacing="0" ...
Try the attached code, I moved the left column above the right column and removed position:relative; in both columns as this isn't supported and may be the issue. I put the bottom ...
Really depends on your setup, generally if you haven't blocked them through Field Management, form fill outs, list uploads, etc... will overwrite SFDC.Documentation on how to block...