We couldn't process your email because it was sent by google.com but your email domain is duse.co.kr. Please contact your email admin to update your mail server's email settings

Briefly describe (1-2 sentences) the Bug you’re experiencing:

Hi

When using Google(G-Suite), the mailing server and the mailing domain are different.
Please fix it quickly.

Steps to reproduce:

Browser version:

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2 posts were merged into an existing topic: Recent email security update. How to fix “We couldn’t process your email”