If you've submitted to @strangehorizons from a gmail address, please read about the spam problem. http://is.gd/2q8Vn
That link is to this: http://www.kith.org/journals/jed/2009/08/20/12325.html where Jed discusses the mysterious issues with gmail where the mail is simply gone at times, not even in a spam folder, it seems.
And the reverse might also be true. There's a comment about submissions to an editor who uses gmail as the address for submissions.
I'm posting this not because I'm in the group, but because I have a large f-list who can pass this along.