How do I avoid a delay when sending email from my application?

Question

I have a small console application. It checks a few settings, makes some decisions, and sends an email. The problem is the email doesn\'t actually get sent until my application

Answer 1

Use SmtpClient with setting:

smtpClient.ServicePoint.MaxIdleTime = 2;

https://weblogs.asp.net/stanleygu/tip-14-solve-smtpclient-issues-of-delayed-email-and-high-cpu-usage