Questions about example sentences with, and the definition and usage of "Emailing"

A: College emails always need to be formal. Be sure to address your advisor at the beginning ^_^ it should look something like this:

Subject: Registration form

Good afternoon Miss/Mrs (name)

This is your advisee (your name).

I saw there was an advising hold on my account and have attached my registration form. Please let me know if this clears me for registration, or if you need any further information from me. Thank you!

Regards,
(your name)

A: Dipende quanto formalità ti serve

I'm è giusto ma meno formale. Quindi se ti serve una lettera più formale bisogna usare I am

A: Do you mean they already attend the school? And not sure about 3rd year of kindergarten. In U.S., kindergarten is only one year.

A: × Dear Sir/Madam,
✓ To Whom It May Concern:

× I’m emailing to enquire whether my Travel Notes application has been received or not.
✓ I’m writing to inquire whether my Travel Notes application has been received or not.

× I’m sorry for bothering you again and again, but please let me know ASAP.
✓ I’m sorry/Sorry to bother you again and again, but I would greatly appreciate it if I could get a quick response.

A: × concerning an official Travel Notes for my entry Malaysia on 30th July.
✓ concerning an official Travel Notes for my entry to Malaysia on 30th July.

Really good! Just one change: add to Malaysia