Emphasis, aka italics, with asterisks or underscores.

Strong emphasis, aka bold, with asterisks or underscores.

Combined emphasis with asterisks and underscores.

1. First ordered list item
2. Another item
3. Actual numbers don't matter, just that it's a number
4. And another item.

• Unordered list can use asterisks
• Or minuses
• Or pluses

I'm an inline-style link

I'm an inline-style link with title

URLs and URLs in angle brackets will automatically get turned into links http://www.example.com

Here's our logo (hover to see the title text):

Inline-style:

Blockquotes are very handy in email to emulate reply text. This line is part of the same quote.

Quote break.

This is a very long line that will still be quoted properly when it wraps. Oh boy let's keep writing to make sure this is long enough to actually wrap for everyone. Oh, you can put Markdown into a blockquote.

Three or more...

Hyphens

Asterisks

Underscores