[Iftheshoefits]

E-mail doesn't have to be bulk to have spam in it. Not that I agree that the implication the parent post makes will be widespread, but I can certainly see some companies using such e-mails as an intrusive (spammy) marketing opportunity.

[markdown]

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[Animats]

They already do. Blocking images in emails usually helps. Blocking third-party content is essential. Some of the usual suspects, such as "constantcontact", should just be blocked.