Transactional & SMTP

6 articles in Transactional & SMTP.

SMTP Ports Explained: 25, 465, 587 (Which to Use)

SMTP uses ports 25, 465, 587, and 2525. Here's what each port does, how they handle encryption, and which one to use when sending email.

Jul 14, 20268 min read

Transactional & SMTP

How to Configure Gmail SMTP (Settings + Steps)

The exact Gmail SMTP settings (smtp.gmail.com, ports 587/465) plus step-by-step instructions to create an App Password and start sending.

Jul 13, 20268 min read

Transactional & SMTP

What Is SMTP? A Beginner's Guide

SMTP is the internet standard for sending email. This beginner's guide explains what SMTP does, how a message travels, and how it differs from IMAP and POP3.

Jul 12, 20268 min read

Transactional & SMTP

What Is an SMTP Relay (and When to Use One)?

An SMTP relay forwards your outgoing email through trusted servers so it reaches the inbox. Learn how relays work, how they differ from direct delivery, and when to use one.

Jul 11, 20268 min read

Transactional & SMTP

SMTP Relay Services: How They Work + What to Look For

How SMTP relay services deliver your email, and the concrete criteria to evaluate one: authentication, IP reputation, own-domain sending, reporting, and pricing.

Jul 10, 20269 min read

Transactional & SMTP

Transactional vs Marketing Email: The Difference

Transactional emails are triggered by a user's action; marketing emails promote to a list. Here's the difference in purpose, consent, deliverability, and design.

Jul 9, 20268 min read

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