Being clear without being rude is an art, and one cannot beat around the bush in an email with an ambiguous response. Asking a question creates the next step in the process, and is crucial.

That being said, one also needs to give the recipient an ‘out’ option, demonstrating how you understand their position and presenting yourself as humble and humane. This will make them feel less cornered, increasing the chance of their replying back. Example: Please let me know if you are too busy to provide the requested feedback or if you need more time.

• Moderately positive emails have a higher response rate than boring, neutral ones.
• A neutral tone can be considered rude or demanding while a cheery, appreciative tone with subtle amount of flattery helps getting the job done.
• Keepi...