Simplifying Email Communication with SMTP Relay Service Provider
SMTP relay service providers are third-party services that facilitate the delivery of emails on behalf of their clients. Instead of relying solely on their email servers, businesses can use SMTP relay service providers to handle the transmission of their emails more efficiently. These providers act as intermediaries between the sender’s email server and the recipient’s email server, ensuring that messages are delivered reliably and securely.
https://medium.com/@brettjhons....on9/simplifying-emai
https://smtpget.com/bulk-email-server/