In one line
A professional e-mail is a short, clear, polite electronic message with a specific subject line, proper greeting, focused content and signature, following the rules of netiquette.
Explained simply
Your e-mail to a professor or company is often their first impression of you. A message with no subject, 'hey sir', and 'plz reply asap' makes a poor impression even if the request is reasonable.
Technically, business e-mails are fast, low-cost written communication that also create a permanent record. They follow most rules of letters (clarity, courtesy, correctness) but are shorter and use a simpler layout.
How it works
- To / Cc / Bcc: To for main recipients who must act; Cc for those who need to know; Bcc to hide addresses (e.g. bulk mail).
- Subject line: specific and short ('Request to extend Engineering Graphics assignment deadline').
- Greeting: 'Dear Prof. Sharma,' or 'Dear Ms Rao,'; 'Dear Sir/Madam,' if the name is unknown.
- Body: purpose in the first line; details in short paragraphs; one topic per e-mail; clear action and deadline.
- Attachments: mention them in the body, name files sensibly, check before sending.
- Closing: 'Regards,' / 'Best regards,' / 'Thank you,' followed by a signature: name, designation or class/roll number, contact.
- Netiquette: no all-capitals (reads as shouting); no slang, SMS spellings or emojis in formal mail; proofread; avoid 'Reply all' unless needed; reply promptly; never forward confidential content without permission.
Quick example
To: (teacher's official e-mail) / Subject: Request for extension of Engineering Graphics assignment deadline / 'Dear Prof. Sharma, I am writing to request a three-day extension for the Engineering Graphics assignment due on 20 November. I was unwell from 14 to 18 November; my medical certificate is attached. I have completed four of the six sheets and will submit the complete assignment by 23 November. I apologise for the inconvenience and thank you for considering my request. Regards, Neha Joshi, FE Computer, Div B, Roll No. 32.'
Common mistakes
- Leaving the subject line blank or vague ('Hi', 'Request').
- Writing the e-mail like a chat message ('hello sir pls give extension').
- Forgetting to attach the file that the e-mail mentions.
How MU asks it
Asked as 'Draft an e-mail to ... regarding ...' (5 to 6 marks) or 'State the guidelines for writing effective e-mails' (4 to 5 marks). For drafting, show To, Subject, greeting, purposeful body, close and signature. For guidelines, list eight to ten points including To/Cc/Bcc, subject line and netiquette.