Unable to connect to email on mobile & other issues...

I have been a customer now for around 5 years and this is what I am currently experiencing and quickly coming to the end of my tether with regards to what Virgin Media offers, their complete lack of comms when they make any changes that have a massive impact and just generally being extremely p*ssed off with the service offered!

1. 2 weeks or so ago, for no apparent reason, my email application on my mobile phone stopped receiving emails from Virgin, and I kept being asked to sign-in. I had not changed anything in config or setup. Despite my best efforts, and I am not a techniophobe, I literally cannot get anything to work on the email application on my phone, or my webmail - I get a "forbidden" URL come up! After doing some research, including on this forum, it seems it's caused by some obscure change that Virgin have instigated and I have to go on a merry go round of websites, config and Christ knows what else for it to possibly work again -  NO GUARANTEE though!
2. My desktop PC email (windows live) has no such issue and continues to receive emails on a daily basis! However, each and every time I start the application, I get EVERY single email that has been sent that day ( up to the time I re-launch the application) and it is incredibly frustrating!

I have since deleted my email app from my mobile phone, as I got so fed up with going round in circles trying to reset my password and every other trouble shooting activity, so I no longer am able to view or see any emails received, unless I am at home logged onto my desktop!

I cannot talk to anyone, as online support is non-existent and I am on the verge of rage quitting Virgin all together (phone, TV & fibre).

Can anyone explain, in clear terms, what I can do to sort this email issue out - or do I just go ahead and quit, look for another package (NOT Virgin) and start again...