Please describe the problem:
Today I received a spoof e-mail from a Paypal spammer.  The e-mail appeared to be plain text (used fixed width font, etc.) and had links to www.paypal.com.  However, when I hovered over it, I noticed that the link was actually to a spoof address.

I think it's somewhat dangerous for Evolution to show e-mails which are actually HTML formatted with no indication of such, especially since using certain bits of CSS/Javascript magic, spammers can create HTML mails that look like plain text.

I'm going to attach the specific e-mail the spammer sent, but I'm going to suggest that Evo give some sort of (subtle, but present) visual cue that an e-mail is HTML formatted, to prevent possible spoof abuses like this.

Steps to reproduce:
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Actual results:
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Expected results:
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Does this happen every time?
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Other information:
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