Can anyone recommend a decent email whitelist provider? I'm looking for a provider who will let me set a list of allowed senders bounce any email from senders not on the list. [more inside]
posted by Solomon on Jan 6, 2013 - 5 answers

How can I remove the Sender header ("on behalf of") when sending from a different address in Gmail? Will Google Apps help me do what I want? [more inside]
posted by drew3d on Feb 14, 2008 - 9 answers

When addressing a letter, if I was to intentionally switch the destination and return address and then drop it into a mailbox without a stamp, would it get to where I originally wanted it to go? [more inside]
posted by gfrobe on Oct 7, 2006 - 10 answers

Any way to send 1 coax TV signal to a TV in another room wirelessly? [more inside]
posted by ilikebike on Mar 12, 2006 - 9 answers