Oct 5, 2020 — To enable or disable SMTP AUTH, there is a new checkbox available for Active Users with a mailbox in Office 365—”Authenticated SMTP.
office365-enable-smtp
Aug 24, 2020 — Outgoing server: smtp.office365.com. Port: 587. Encryption method: TLS or STARTTLS. To configure your Microsoft 365 Exchange Online mailbox ... 3925e8d270
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