When you develop a website or an application, you may need to use a fake SMTP server for debugging. Fake SMTP servers access emails, but they won’t deliver emails to the recipient’s email address. The simplest way to run a debugging SMTP server is using the following python code python3 -m smtpd -n -c DebuggingServer … Read more
maildev is a fake SMTP server + interface to read the mail. It is useful for web developers during development stage where they don’t want email sents to read email address. To run maildev using docker, run docker run -p 1080:80 -p 25:25 maildev/maildev Now you will be able to access web interface to read … Read more
swaks is a command line SMTP testing tool available at http://www.jetmore.org/john/code/swaks/ On Debian/Ubuntu, you can install it with the command if you just type swaks, it will ask for your email, then send a mail using MX Record to a specified email address. To send email using a specific mail server Deliver a standard test … Read more
To verify SMTP SPF/DKIM etc are set properly, sent a mail to check-auth2@verifier.port25.com, check the reply. Cloud providers like Amazon AWS, Alibaba, Microsoft Azure, Google Cloud and DigitalOcean do not allow you to run your own mail server. If you need to sent an email from your web application, you need to use one of … Read more