Post-function emails are being rejected by the email providers

Description

Post-functions emails are being rejected or mark as spam by some providers.

How to reproduce

1. Create Post-function with  "Send email" action.

Actual result/Attachments

Verify that in Microsoft the message usually appears on the spam folder, and in Google providers is likely to not be shown at all.

Expected result

The email should appear on the mailbox from the user.

Version

• 1.22 Xporter Cloud