2 zdania do sprawdzenia, proszę;-)

hej. bardzo proszę o sprawdzenie;-)

I’m sorry but this e-mail which you have got from me a moment ago ‘miał być’ sent to my friend. I don’t know how it happened (probably I pressed something badly) and this e-mail ‘został wysłany’ has been sent? to all people with my list in my internet post (poczta internetowa?).

I'm sorry but this e-mail you got a moment ago was supposed to be sent to my friend. I don't know how this could happen (I suppose I pressed the wrong thing) and this e-mail was sent to all the people listed in my Internet post.

a nie powinno byc 'could have happened'?

o all people with my list in my internet post (poczta
>internetowa?).

to all people in my address book.

...could have happened