Procmail has been discontinued. Similar apps include MailDrop, which is free and open source. Other options are Inbox Kitten, Mailsac, tmpmail and Protect IID. In total there are eight Disposable Email Services like Procmail for the web, self-hosting, Mac, Windows and Linux.
MailDrop is a free throwaway e-mail address. It's temporary. It's transient. It's disposable. It's meant for those times when you don't want to give out your real address. Just give someone any e-mail address in the maildrop.
United States
Inboxkitten is an open-source disposable email service that you can freely deploy adopt on your own!
Singapore
tmpmail tmpmail is a command line utility that allows you to create a temporary email address and receive emails to the temporary email address. It uses 1secmail's API to receive the emails.
A Quick short-lived email accounts for free.. Protect from getting awful subscriptions which many websites sending very often. And also prevent you from any viruses, malware, etc.
Austria
EU
Rain Mail is free temporary email service, you can create a free temp email address to use for registrations on social media or newsletters etc. addresses are valid forever but are public and emails are deleted after 24 hours.
Sri Lanka
