External emails don't appear as CC in subscriptions email

lbau13 · April 24, 2024, 4:57pm

Hello!
Since I updated to v0.48.6 in open source mode, external senders (without a user in Metabase) of subscriptions do not arrive as copied (CC) in the emails, that is, they arrive as BCC.

However, in my configuration CC is enabled because I need to carry a mail thread.

My email provider is AWS.

Can anybody help me?

TonyC · April 25, 2024, 4:02pm

Yes that's this change:

github.com/metabase/metabase

Subscriptions should send a single email with all recipients in Bcc

opened 01:31PM - 25 Aug 23 UTC

closed 04:01PM - 06 Sep 23 UTC

luizarakaki

Type:Bug Priority:P1 .Performance Reporting/Pulses .Backend

### Describe the bug After https://github.com/metabase/metabase/pull/30892#di…scussion_r1204641041 we started sending a single email per user to avoid leaking user emails. But we can achieve the same goal by adding everyone to Bcc and avoid multiple attachment uploads etc. context: https://metaboat.slack.com/archives/C01LQQ2UW03/p1692952332678479 ### To Reproduce 1. Create a subscription with multiple recipients 2. Check subscription email ### Expected behavior A single email with all users in Bcc ### Logs _No response_ ### Information about your Metabase installation ```JSON - 47 ``` ### Severity Can degrade performance on large instances with subscriptions with many recipients ### Additional context _No response_

It was done for security reasons.