Much better than it was on Friday when the first story hit (none of this was automated on Friday), but still on human-scale time. Minutes to multiple hours. When did you send your mail to us? If it was any time before this afternoon, you should have already seen mail from us; check your spam filter.
About 1 out of every ~200 people we mail refuses the mail (at SMTP) for one reason or another, so if you're running your own email server, make sure it'll accept mail from MATASANOCRYPTOPALS.COM --- note that's not the domain you sent to.
Sent it on Friday. Unless you didn't RE:, it shouldn't have been spammed, but I have a habit of emptying my spam folder without ever looking at the contents, so we'll never know.