Understanding Email Queuing: Why Your Gmail Messages Get Stuck and How to Resolve It
Queuing is when you send an email, but it doesn’t arrive at the destination right away — instead, it ends up resting in a “sending queue”. While many email clients and services have acknowledged this issue, it isn’t exclusive to anyone; the question of why emails queue up, and what we can do when they do, is an important one. Given our tendency to rely on email for communication both in leisure and in employment, many of us depend on messages arriving on time.