Postmark: How SMTP relay services work (and 5 benefits they offer)

Postmark just published a insightful blog:

What if we told you that your company’s email deliverability doesn’t depend on you being an all-knowing email expert? SMTP relay services allow businesses to send bulk emails seamlessly, protect their sender reputations, and avoid being blocklisted—all with the dedicated support of an SMTP service provider. Here’s what you need to know. What is an SMTP relay? An SMTP relay is a service that allows the transmission of email messages from one server to another. An easy way to understand what an SMTP relay service does is to imagine an Olympic relay race: your email message (a transactional email or promotional/marketing email) is the baton, and the runners are SMTP servers who pass the baton to one another until the final line. If you don’t want to use an SMTP relay provider to manage your email sending, you can use your own email server—in which case, you’re responsible for setting…

Read more here: How SMTP relay services work (and 5 benefits they offer)

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