Email-in replies thread wrongly

[DeanMarkTaylor (Dean Taylor)]

@LeoMcA

SparkPost is free

I highly recommend setting up this:

Handling bouncing e-mails

Setting up bounces handling Discourse uses the VERP technique to handle bouncing e-mails. To enable VERP, set the “reply by email address” site setting with an email address template that uses the + sign. The default of replies+%{reply_key}@discourse.example.com … works fine. If you are using your own or your company’s email server, then, that’s it If, however, you are using a third party email service, you will need to enable VERP, or activate their webhooks as follows: MailGun Lo…

Note that with all mail providers you will likely bump into deliverability issues, “free” services slightly more so - keep complaining at them if you do. Also consider breaking in a mail IP slowly if you do go that paid private IP route.