Lets all keep in mind that NOBODY appreciates a 20MB email. It will hog up their machine and if they try to download it on cellular simply by checking their email then they may send the bill to you after waiting 3 hours for it to download!!! That is 10% of the base iPhone data plan in one email. If they are roaming and then it could be several hundred or thousand $$$... you don't want to take that call. Not everybody has software that can handle that or an internet connection that can. Plus no email server will be happy if you try it regardless of what the specs say. The receiving server may refuse it even if yours sends it out and neither on is guaranteed to give a failure notice. It is just not a good idea to even attempt a 20Mb email.
Be polite, post it on a site for them to download at their leisure or burn it and mail it .
Scott, I wasn't implying I needed to send a 20 mb attachment.I understand your perspective.I will admit I'm not as knowledgeable as some of the Tech members here.I guess I'm just old fashion and wish sometimes things could be left at (our discrection) to change or update etc... For now ,thanks for the input everyone...