Hacker News new | ask | show | jobs
by michaelhoffman 4919 days ago
It works for many mail servers, including Gmail.
2 comments

Also any Google Apps servers. Seems like a lot of extra work to look up a domain's MX records to figure out if it's safe to strip anything after + from their email address, which will only serve to annoy your users anyway.
which others? doesn't do it on sendmail or postfix