Tonight, an editor at DC copied me on an e-mail she'd received from their computer people (about why an email took a very long time to get to her) that may go some way to explaining the problem....
And I quote:
I've been informed that the reason why there was a delay in the delivery of this message was because one of several keywords were found within the message. In particular, the word "SANDMAN" was found several times. This has been a telltale sign of one or more computer viruses, so the message was set aside to be investigated by a WB security person.
I'd be willing to bet that every message I sent them that didn't get through had the word SANDMAN in it. And that instead of reviewing them, the emails were simply automatically deleted as probable viruses. SANDMAN.... found several times... dead giveaway really....
Amused sigh. Good night.