Cannot email photos

I am on vacation in Florida, but live in Ontario. I have been attempting to email some photos from my "last import" in the Photos app. They will not send and end up in the Outbox and will not send no matter what I do. I have tried sending only 1 photo and have also tried sending via the Messages app, to no avail. I have sent photos on previous occasions while at home and am wondering if my vacation location has caused a glitch of some kind.

I did see a message box pop up that says something to the effect that the password is incorrect for my home
computer and directs me to the Settings page where I can change my POP 3 etc, but I did not want to play around with
this in case things worsen.

Any help would be appreciated. Thanks.