On Sat, 21 Oct 2017 19:28:14 +0100 Groach wrote: > Im concerned they have done it deliberately to harvest email > addresses.
Unlikely. It's very easy to get lists of addresses used to post to mailing lists without being subscribed. Even if you can't think of an efficient way of doing it, you can simply subscribe and parse the emails; there's no need to generate backscatter.
