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📬 Python Email Contact Form Function

Sends an email with the contents of a HTML form.

🧰 Usage

GET /

HTML form for interacting with the function.

POST /

Submit form data to send an email

Parameters

Name Description Location Type Sample Value
_next URL for redirect after submission Form Param String https://mywebapp.org/success
* Any form values to send in email Form Param String Hey, I'd like to get in touch!

Response

Sample 200 Response:

Location: https://mywebapp.org/success

Sample 400 Response:

Location: https://mywebapp.org/referer?error=Invalid+email+address

⚙️ Configuration

Setting Value
Runtime Python (3.9)
Entrypoint src/main.py
Build Commands pip install -r requirements.txt
Permissions any
Timeout (Seconds) 15

🔒 Environment Variables

SMTP_HOST

The address of your SMTP server. Many STMP providers will provide this information in their documentation. Some popular providers include: Mailgun, SendGrid, and Gmail.

Question Answer
Required Yes
Sample Value smtp.mailgun.org

SMTP_PORT

The port of your STMP server. Commnly used ports include 25, 465, and 587.

Question Answer
Required Yes
Sample Value 25

SMTP_USERNAME

The username for your SMTP server. This is commonly your email address.

Question Answer
Required Yes
Sample Value [email protected]

SMTP_PASSWORD

The password for your SMTP server.

Question Answer
Required Yes
Sample Value 5up3r5tr0ngP4ssw0rd

SUBMIT_EMAIL

The email address to send form submissions to.

Question Answer
Required Yes
Sample Value [email protected]

ALLOWED_ORIGINS

An optional comma-separated list of allowed origins for CORS (defaults to *). This is an important security measure to prevent malicious users from abusing your function.

Question Answer
Required No
Sample Value https://mywebapp.org,https://mywebapp.com
Documentation MDN: CORS