重试已退回的电子邮件？

[itsbhanusharma (Bhanu Sharma)]

我认为 Discourse 本身不会重试发送邮件。不过，电子邮件服务提供商（如 Mailgun）可能会在收件人邮件服务器未报告硬性失败的情况下重试发送。此类退信可以通过 API 报告给 Discourse。

进一步阅读：

Configure VERP to handle bouncing e-mails

Setting up bounces handling Discourse uses the Variable envelope return path (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 Your discourse instance must be able to receive email sent to this address. This should work via POP, bu…