Email providers like Mailtrap Email Sending provide these types of relay servers for bulk email and transactional email sending. In this particular context, we could state that an SMTP server and an SMTP relay are the same issues. Con: Reliant on Other individuals. Among the only negatives to employing https://it-support87270.webdesign96.com/27133115/the-smart-trick-of-email-marketing-that-no-one-is-discussing