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If you are using /usr/sbin/sendmail style delivery, for example via the built-in postfix implementation on macOS and many linux-like systems, it's fairly easy t
by 0x0 9y ago
If you are using /usr/sbin/sendmail style delivery, for example via the built-in postfix implementation on macOS and many linux-like systems, it's fairly easy to configure postfix to rewrite absolutely everything to go to your own email address. This can be quite helpful during development, because not only do you get to see the emails as they are delivered, but you can also worry less about sending development emails out to random addresses around the world. (Look into "recipient_canonical_maps")
- korethr 9y agoI wonder if perhaps they're not using exactly that on the backend to implement this.
- andris9 9y agoEthereal.email uses Wild Duck Mail Server as the backend https://github.com/nodemailer/wildduck https://github.com/nodemailer/wildduck In fact this was one of the reasons I created Ethereal - to get some load test against Wld Duck
- rocqua 9y agoYou need the destination address to not run dkim spf or dmarc on the forwarded emails with rewritten destinations. I came across this when forwarding everything to gmail. Gmail is smart enough to accept this for mail originally destined for an address you enabled as "send from". However, mail sent to e.g. retailName@domain.com will fail the checks and never be delivered.
- andris9 9y agoGmail is great for an occasional test email but it starts rate limiting pretty fast when trying to send many messages to a single account.