“Cannot Get Mail- the connection to the server failed” -iPhone 4S

Ok so I've seen this post already but still cannot figure out how to fix it !!!!! I've tried everything ! It was working fine until this morning I couldn't get access to my email and calendar from my iPhone 4S from the "mail" app. I deleted it and re-added it, still no luck. The only thing that works is if I add the email under "other" but that doesn't give me access to my calendar and it doesn't really connect with hotmail. for example if I added my email under as "other" instead of hotmail, I can look at my emails through my phone and delete them but if I were to sign on my hotmail from the site, the mail would be still unread and in my inbox. So please how do I fix this ?!!!!