1. How to Reply to a Received Email

Grammar and Wording

• Reply to an email as quickly after receipt as possible.
  
  
  If it will need some time to reply to the email, then send an ACK (ACKnowledgment) notifying a sender that you received it first.
  I have received your email regarding your visit to our research lab.
  
  
  I will get back to you in a day or two.
  
  
  Your patience is appreciated.
• Do not forget to begin with an appropriate salutation.
• OK to address a sender more casually (with the first name) after a few correspondences.