Email vendors like Mailtrap Email Sending supply this sort of relay servers for bulk email and transactional email sending. With this context, we can claim that an SMTP server and an SMTP relay are the identical points. Pro: More secure. Most 3rd-party providers provide numerous backup choices to maintain https://it-support49134.thenerdsblog.com/32168398/the-5-second-trick-for-smtp-server