WP Mail SMTP Blog

Postmark Review: Features, Pricing & Deliverability (2026)

You’ve heard Postmark has a reputation for getting transactional email to the inbox, but the pricing page and feature list never tell you whether it’s right for your site.

Will it actually fix your deliverability, and does it play nicely with WordPress? We ran test sends through Postmark on three WordPress sites to find out.

Here’s the honest review: its real pricing tiers, deliverability record, the features that matter, the pros and cons, and exactly how to connect it with WP Mail SMTP.

Hard Bounce vs Soft Bounce Emails: What’s the Difference (and How to Fix Both)

A hard bounce is permanent and a soft bounce is temporary, but the real problem is that WordPress can’t see either one. Here’s how to tell them apart, read the SMTP error codes, and find and fix both types of bounce on your site.

How to Test Email Deliverability (Step-by-Step Guide)

Your emails say they’re sending. The logs look clean, the success message pops up, and everything seems fine. Then a customer asks why they never got their password reset, and you realize your mail has been quietly landing in spam for weeks.

Testing your deliverability turns that guesswork into a clear score you can act on.

Here’s the full process, step by step. Run a spam score test, check your SPF, DKIM, and DMARC records, send a real test from WordPress, and read an inbox placement report.

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IMAP vs POP3 vs SMTP: The Differences Explained

SMTP, IMAP, and POP3 are easy to confuse, but the distinction is simple: SMTP sends your email, while IMAP and POP3 receive it. Learn how all three protocols work, which ports they use, and what it means for the emails your website sends.

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Mailjet Review 2026: Is It the Right Email Service for Your WordPress Site?

Mailjet is an all-in-one email platform built for both transactional and marketing emails, and it’s quickly become a go-to choice for WordPress users who want reliable delivery without juggling multiple tools.

But is it actually worth using for your site? In this Mailjet review, I break down everything that matters: pricing, deliverability, ease of setup, and standout features like real-time team collaboration, automation, and email validation.

Banner for a guide: 'How to Avoid the Gmail Promotions Tab' with a cartoon bird on blue background, a hand reaching an envelope with a notification badge, and a PRO TIP tag.

How to Avoid the Gmail Promotions Tab (11 Proven Methods)

Gmail’s Promotions tab is one of the most overlooked deliverability problems for site owners. Order confirmations, password resets, and contact form notifications get filtered there more often than most people realize, and customers miss them.

The good news is that this is fixable. This guide covers 11 proven methods to get your emails into the Primary inbox, plus the testing tools you can use to confirm your changes are working.

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