If you use gmail you can attach + to your mail address. https://gmail.googleblog.com/2008/03/2-hidden-ways-to-get-more-from-your.html https://gmail.googleblog.c

If you use gmail you can attach + to your mail address. https://gmail.googleblog.com/2008/03/2-hidden-ways-to-get-more-from-your.html https://gmail.googleblog.com/2008/03/2-hidden-ways-to-get-mo... This ignores the rest, you can program, cancel, block your emails based on that pattern. Works well enough.