Use your gSuite email to do this. Here is simple python code that you can use on your app engine instance
# Function to send email

def trigger_email(msg):

    # Change these to your email details

    email_user = "user@user.com"

    email_password = "blahbhal"

    smtp_server = 'smtp-relay.gmail.com'

    smtp_port = 587

    email_from = "sender@sender.com"

    email_to = "recx@recx.com"

    # login to the email server

    server = smtplib.SMTP(smtp_server, smtp_port)

    server.starttls()

    server.login(email_user, email_password)

    # send email

    server.sendmail(email_from, email_to, msg)

    server.quit()

Appendix G Suite SMTP relay service

Use the SMTP relay service to send mail from your organization by authenticating with IP addresses. You can send messages to anyone inside or outside of your organization. This option is the most secure.

Requirements

Sending limits

A G Suite user can relay messages to up to 10,000 recipients per day.

See: Sending limits for the SMTP relay service
Anti-spam filters Suspicious emails might be filtered or rejected.
Fully qualified domain name of SMTP service smtp-relay.gmail.com
Configuration options

  • Port 25, 465, or 587

  • Secure Socket Layer (SSL)/Transport Layer Security (TLS) protocols.

  • Dynamic IPs are allowed, but a static IP might be required due to authentication requirements.

See: SSL connections overview
Authentication requirements

Static IP address or a valid G Suite user sign-in.

Use the SMTP relay service to send mail from your organization by authenticating with IP addresses. You can send messages to anyone inside or outside of your organization. This option is the most secure.

Requirements

Sending limits

A G Suite user can relay messages to up to 10,000 recipients per day.

See: Sending limits for the SMTP relay service
Anti-spam filters Suspicious emails might be filtered or rejected.
Fully qualified domain name of SMTP service smtp-relay.gmail.com
Configuration options

  • Port 25, 465, or 587

  • Secure Socket Layer (SSL)/Transport Layer Security (TLS) protocols.

  • Dynamic IPs are allowed, but a static IP might be required due to authentication requirements.

See: SSL connections overview
Authentication requirements

Static IP address or a valid G Suite user sign-in.

Anuj holds professional certifications in Google Cloud, AWS as well as certifications in Docker and App Performance Tools such as New Relic. He specializes in Cloud Security, Data Encryption and Container Technologies.

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