Also, the magnet text is not visible:

style="position: absolute; left: -9999px; top:-9999px;display: none"

maybe they try to warm up those emails to use them for other "campaigns" later on...

The text is added to get around bayesian filters. The spammer doesn't want the text to be displayed to the end user though typically.

	▲	autoexec 2 hours ago \| parent [-]
		A smart bayesian filter would catch email with invisible text. Legitimate email shouldn't have any, but I have seen it more than once in spam