Original settings in .env file for emails MAIL_MAILER=smtp MAIL_HOST=smtp.mailtrap.io MAIL_HOST=smtp.spccopypro.com MAIL_PORT=2525 MAIL_USERNAME=vstarsal MAIL_PASSWORD="Tx@32me82" MAIL_ENCRYPTION=tls MAIL_FROM_ADDRESS=shutchinson@spccopypro.com MAIL_FROM_NAME="${APP_NAME}" According to - - - https://programmingfields.com/send-email-using-mailgun-in-laravel-8/ MAIL_DRIVER=mailgun MAIL_HOST=smtp.mailgun.org MAIL_PORT=587 MAIL_USERNAME={{ USERNAME_BY_MAILGUN }} MAIL_PASSWORD={{ PASSWORD_BY_MAILGUN }} MAIL_ENCRYPTION=tls MAILGUN_DOMAIN={{ DOMAIN_CREATED_IN_MAILGUN }} MAIL_FROM_ADDRESS=null MAIL_FROM_NAME="${APP_NAME}"