Please ONLY provide us with a PERSONAL email address e.g. Gmail, Yahoo, Mweb etc etc. A high percentage of companies block mails from us (for example, FNB, Nedbank, ABSA, Discovery, Eskom and so on). Also, some parents change jobs and forget to update us. So, to ensure you don't miss out on important information from us, use your PERSONAL email address please.
In particular, our mails to @discovery, @eskom, @nedbank, @oldmutual (and similar) are usually blocked so you'll miss our updates :-( Sadly, @icloud.com ALSO often bounces many of our bulk mails, so please consider providing a Gmail/Yahoo Etc address.