Read Microsoft 365 Outlook Email with PHP and Microsoft Graph
Configure Microsoft Entra ID and use PHP with Microsoft Graph to read Outlook mail securely through OAuth 2.0 without storing mailbox passwords.
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Configure Microsoft Entra ID and use PHP with Microsoft Graph to read Outlook mail securely through OAuth 2.0 without storing mailbox passwords.
Move email out of web requests and retry temporary failures without creating duplicate messages.
Send a JSON request to an email provider with timeouts, response checks, and an idempotency key.
Separate application errors, SMTP rejection, authentication problems, bounces, and spam placement.
Use UTF-8 consistently for non-English subjects, sender names, and message bodies.
Attach generated files and embed an image by content ID while controlling paths and size.
Provide equivalent HTML and plain-text bodies so recipients can use the format their client supports.
Configure PHPMailer for authenticated SMTP with TLS and credentials kept outside source code.
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