if you want to keep receiving offline group notices, visit the email settings page and tick this setting https://i.gyazo.com/8b00657f23c9aff0ff52855395720121.png
also see if offline IMs to email setting is checked, mine was unchecked again and i didn't receive any IMs in the past 24 hours or so:/
Yep my offline IM's also been ticked off, while it was on lol
