I left out this short paragraph. Could you please check it?
1) I really hope everthing is Ok with you.
My students are really looking forward to starting the email partnership.
I would be therefore be extremely grateful to you if you could let me have all the email adresses by this week. I wish you all the best.
Therefore, I would be extremely grateful to you if you could send me all the email addresses by the end of this week.
OK or okay (sp)