Lissa from lissaexplains.com does it, and she's hosted with Dreamhost
Her web site is hosted here, but her mail service is not. According to her site, You'll get a free e-mail address, email@example.com
$ host -t mx lissamail.com
lissamail.com mail is handled by 20 lissamail-com-bk.mr.outblaze.com.
lissamail.com mail is handled by 10 lissamail-com.mr.outblaze.com.
Outblaze provides e-mail outsourcing services. The fact that they don't have a price list online suggests that it's pretty expensive.
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