I have missed out on £1000s in pension contributions because I didn't check my work emails often/thoroughly enough while on mat leave so apparently missed an application deadline (which wasn't set to a specific date or detailed in the email anyway).
Do I have any rights? I don't want to annoy my employer who apart from dire communication has treated me fairly well, but equally I believe I'm entitled to the pension and that money could be worth ten times more by the time I retire.
HR aren't interested as far as I can work out.