What are the rules of good style in business email communication, regarding timeline of message exchanging? I mean, how fast the incoming message should be answered? What are the most possible delay ...
Do you use a service for ensuring email deliverability (like Sendgrid, Postmark, etc.)? Why or why not? If so, what service?
Using an external service for delivering your emails can take a lot of load off your shoulders if deliverability is a must. Services like Sendgrid and Postmark have pre-configured, whitelisted servers ...