Randomly jumping into this thread , does anyone have a quick and easy way to do auto matical responses to certain aliases in opensmtpd?
On September 9, 2018 12:23:41 PM UTC, Thomas Bohl <openbsd-misc-54...@aloof.de> wrote: >> But the second (far more important) point I want to make is please >*THINK TWICE* if "running your own mail server" is something you are >planning to do on your home internet connection. > >For all intents and purposes, sending emails from a private internet >connection directly to the receiving MX stopped working 15 years ago. >(People started blocking everything with "dial" or "dyn" in the reverse >DNS or HELO not being followed with the matching reverse DNS of the >connected IP.) It should be in all books and tutorials by now. >Word on the street has it that the IP networks of the cloud providers >are slowly getting burned too. > >To live hassle-free you want your MX to have a static IP from a good >"commercial neighbourhood", with a reverse DNS that matches the SPF >entry and with your server's HELO greeting. >Check whether your IP is listed on a DNSBL >https://mxtoolbox.com/blacklists.aspx >Demand a different one from your provider if it is *before* you >associate your domain with it! (Or let the IP idle for a year or two.) >Plus: Thanks to Let's Encrypt and the super easy acme-client in base >there are no more excuses not to have a valid certificate. > >Of course that is only true for your MX. You can host your mailboxes at >home as long as you relay through said MX. > >OpenSMTPD + Dovecot (Sieve, IMAP, dsync) + Nextcloud(Calender, >Contacts) >works for me for month without looking. (Be on the announce mailing >lists for security informations.) > >PS, don't sneak through you kids thoughts. Not even by "only" scanning >for "troubling words". -- Take Care Sincerely flipchan layerprox dev
