Translation of zweifellos

I.E. stands for 'in example', and the translation of it is 'por ejemplo'. Is there a difference between this term in Latin American or South American Spanish? How would you say the same sentence in Central America?
Somehow, my email was not sent. There were even a few mistakes, but really only minor things, nothing really bad. I've already read some other texts that you have sent and are getting better each time.
I'm already in my bed... I am looking forward to the Wimbledon tennis tournament. Football is nice too! Here it very hot. I am missing the rain on the west coast ... I will be back again soon.