Send and recieve problems

I am having lots of problems sending and recieving e-mails, I have checked all my settings and nothing there has changed, I can send and recieve at times but not very often and I have had to revert back to incredimail as eM is so unreliable at the moment. this problem happens with both windows 7 and 8 can you help.

Regards

Tom

Are you getting any error messages? If so, could you please post here a screenshot?
Who is your mail provider?