First, it is good Netiquette to use proper salutations. Do address emails appropriately.
Salutation Netiquette Work Email
Salutations are titles. Then, titles are for addressing an individual. Mr., Ms., and Mrs. are salutations. Thus, men and women in electronic messages.
Also, additional titles. Given, professionals have titles. Doctors, Dr., have titles. Lawyers, Esq., have titles as well. Hence, salutation.
Work Email Salutation
Format professional email with proper salutations because professionals have titles. Mr. or Ms. is an appropriate professional title for a man or a woman. In some cases titles are omitted because the gender of the recipient is unknown.
Provide proper salutations because it makes the message more credible.