Do you send bulk email via 'Bcc' field if all parties are not contacts of each other?

To ensure privacy, and not allow parties to get hold of each others' email addresses, emails to multiple parties should be entered in the 'Bcc' field (not the 'To' field).

❌ Figure: Good Example - Send bulk email via 'To' field

✅ Figure: Good Example - Send bulk email via 'Bcc' field