📧S:

#subject line #email subject #topic #s: #mail header

↪️•

#reply bullet #regarding bullet #email subject #concerning #topic

🇫🇷✉️:

#email subject #subject line #topic #french email #courrier électronique #objet de l'email

👨※📄

#man regarding #subject matter expert #man in re memo #email subject #document reference #topic discussion #point of contact