Important: Starting February 2024, Gmail will require the following for senders who send 5,000 or more messages a day to Gmail accounts: Authenticate outgoing email, avoid sending unwanted or unsol
內容出處: 電子郵件寄件者指南 – Gmail協助
所有寄到gmail適用
電子郵件寄件者指南 – Google Workspace 管理員說明