Send the following on WhatsApp
Continue to ChatSMTP server in EC2 instance: Relay access denied · Recent Questions - Stack Overflow | https://stackoverflow.com/questions/77827390/smtp-server-in-ec2-instance-relay-access-denied
SMTP server in EC2 instance: Relay access denied · Recent Questions - Stack Overflow | https://stackoverflow.com/questions/77827390/smtp-server-in-ec2-instance-relay-access-denied