Discovery Health website only partially works

I have submitted my claim for my flu injection done on 25 April THREE times. Although my plan is a hospital plan, Essential Dynamic Smart, I was told that Discovery will cover the cost of a flu injection each year. If this is not so, please have the decency to let me know via email instead of just ignoring the claim!

Furthermore, I am sending this claim to '***' because every time I email my claim to *** it comes back as Undeliverable. SEE ATTACHED.

And still furthermore, Discovery is supposed to email me when I have successfully submitted my claim, but to date I am still waiting for an email for a different claim I recently uploaded. It seems that Discovery Health is not able to keep up with the times, technically.