Guys - am I the only one having line spacing issues with the email editor? I create an email and it renders correctly. Then when I preview or send myself a test, they are missing line breaks.
Today I created an email that rendered perfectly. I sent myself a test and it rendered perfectly. Then, when I sent the email (to 70 of my most important customers), it was missing a line break.
Here's the correctly formatted email (this was a test sent to my inbox):

Here's what was sent out (notice line break missing after #3:

Any advice? This is incredibly frustrating!