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.
Category: Email
Queue and Retry Email Delivery in PHP
Move email out of web requests and retry temporary failures without creating duplicate messages.
Send Transactional Email through an HTTP API in PHP
Send a JSON request to an email provider with timeouts, response checks, and an idempotency key.
Troubleshoot PHP Email That Is Not Being Delivered
Separate application errors, SMTP rejection, authentication problems, bounces, and spam placement.
Send UTF-8 Email Subjects and Content from PHP
Use UTF-8 consistently for non-English subjects, sender names, and message bodies.
Send Attachments and Inline Images with PHPMailer
Attach generated files and embed an image by content ID while controlling paths and size.
Send HTML and Plain-Text Email in One Message
Provide equivalent HTML and plain-text bodies so recipients can use the format their client supports.
Send Email through SMTP with PHPMailer
Configure PHPMailer for authenticated SMTP with TLS and credentials kept outside source code.
Send Email with PHP: HTML, Text, and Attachments
Last updated: August 29, 2026. For application email, send through an authenticated SMTP service and let a mail library construct…
Send Email from Classic ASP with CDO
Last updated: August 27, 2026. Classic ASP can submit mail through CDO Message when an SMTP relay is available. Keep…