This is an HTML email.
' mail.send(msg) return 'HTML Email sent!' ``` **3. Attachment Email Sending** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_attachment_email') def send_attachment_email(): msg = Message('Attachment Email', sender='sender@example.com', recipients=['recipient@example.com']) msg.attach('document.pdf') mail.send(msg) return 'Attachment Email sent!' ``` **4. Email with Attachments and HTML** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_complex_email') def send_complex_email(): msg = Message('Complex Email', sender='sender@example.com', recipients=['recipient@example.com']) msg.html = 'This is an HTML email with an attachment.
' msg.attach('document.pdf') mail.send(msg) return 'Complex Email sent!' ``` **5. Email With Multiple Recipients** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_multi_recipient_email') def send_multi_recipient_email(): msg = Message('Message to Multiple Recipients', sender='sender@example.com') msg.recipients = ['recipient1@example.com', 'recipient2@example.com', 'recipient3@example.com'] msg.body = 'This is a message sent to multiple recipients.' mail.send(msg) return 'Email sent to multiple recipients!' ``` **6. Email With Custom Headers** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_custom_header_email') def send_custom_header_email(): msg = Message('Email with Custom Headers', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This email has custom headers.' msg.headers['X-Custom-Header'] = 'custom-header-value' mail.send(msg) return 'Email sent with custom headers!' ``` **7. Email With Attachments and Custom Headers** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_complex_custom_header_email') def send_complex_custom_header_email(): msg = Message('Complex Email with Custom Headers', sender='sender@example.com', recipients=['recipient@example.com']) msg.html = 'This is an HTML email with an attachment and custom headers.
' msg.attach('document.pdf') msg.headers['X-Custom-Header'] = 'custom-header-value' mail.send(msg) return 'Complex Email with custom headers sent!' ``` **8. Email with BCC Recipients** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_bcc_email') def send_bcc_email(): msg = Message('Email with BCC Recipients', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email with BCC recipients.' msg.bcc = ['bcc1@example.com', 'bcc2@example.com'] mail.send(msg) return 'Email sent with BCC recipients!' ``` **9. Email with CC Recipients** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_cc_email') def send_cc_email(): msg = Message('Email with CC Recipients', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email with CC recipients.' msg.cc = ['cc1@example.com', 'cc2@example.com'] mail.send(msg) return 'Email sent with CC recipients!' ``` **10. Email with Reply-To Address** ```python from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_reply_to_email') def send_reply_to_email(): msg = Message('Email with Reply-To Address', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email with a reply-to address.' msg.reply_to = 'reply-to@example.com' mail.send(msg) return 'Email sent with reply-to address!' ``` **11. Email with Custom SMTP Server** ```python from flask_mail import Mail, Message mail = Mail(app, smtp_server='smtp.example.com', smtp_port=587, smtp_use_tls=True, smtp_username='username', smtp_password='password') @app.route('/send_smtp_email') def send_smtp_email(): msg = Message('Email with Custom SMTP Server', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email sent using a custom SMTP server.' mail.send(msg) return 'Email sent with custom SMTP server!' ``` **12. Email with TLS Encryption** ```python from flask_mail import Mail, Message mail = Mail(app, smtp_use_tls=True) @app.route('/send_tls_email') def send_tls_email(): msg = Message('Email with TLS Encryption', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email sent using TLS encryption.' mail.send(msg) return 'Email sent with TLS encryption!' ``` **13. Email with SSL Encryption** ```python from flask_mail import Mail, Message mail = Mail(app, smtp_use_ssl=True) @app.route('/send_ssl_email') def send_ssl_email(): msg = Message('Email with SSL Encryption', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email sent using SSL encryption.' mail.send(msg) return 'Email sent with SSL encryption!' ``` **14. Email with SMTP Authentication** ```python from flask_mail import Mail, Message mail = Mail(app, smtp_user='username', smtp_password='password') @app.route('/send_authenticated_email') def send_authenticated_email(): msg = Message('Email with SMTP Authentication', sender='sender@example.com', recipients=['recipient@example.com']) msg.body = 'This is an email sent using SMTP authentication.' mail.send(msg) return 'Email sent with SMTP authentication!' ``` **15. Email with HTML Template** ```python from flask import render_template, request from flask_mail import Mail, Message mail = Mail(app) @app.route('/send_html_template_email') def send_html_template_email(): msg = Message('Email with HTML Template', sender='sender@example.com', recipients=['recipient@example.com']) msg.html = render_template('email.html') mail.send(msg) return 'Email sent with HTML template!' ``` **16. Email with Context Processor** ```python from flask import g ```