Email Sending Limits by Provider: Gmail, Microsoft 365, Yahoo, and the Rest
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Email Delivery & Tips
Practical advice on improving email deliverability, avoiding spam filters, and getting more messages into the inbox. We share tips, explanations, and best practices drawn from real-world sending.
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Best Transactional Email Services in 2026: A Tested Top 5 (and When to Pick Each)
Short version. If you’re not Amazon, not running your own postmaster team, and your inbox placement matters to your customers, SMTP2GO is the safest default.
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What is DMARC? A practical guide for anyone sending real email in 2026
DMARC is a small text record you publish in your domain’s DNS that tells receiving mail servers what to do if a message claiming to be from your domain fails SPF or DKIM checks.
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How to Stop Emails Going to Spam: The 2026 Playbook From 20 Years in SMTP
If your emails are landing in spam, the cause is almost always one of seven things: missing or misconfigured authentication, a damaged sender reputation, a high complaint rate, a dirty or purchased list, a brand-new or cold-warmed domain, a content or link pattern that trips filters, or an SMTP provider that’s quietly making things worse....
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What Is Transactional Email? Examples, the Rules, and How to Send Them Reliably
A transactional email is an automated message triggered by something a specific person did, or something that happened to their account, and it carries information they’re expecting or that they need to complete an action. Receipts. Password resets. Shipping updates. Two-factor codes.
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Email Unsubscribe Best Practices in 2026: What Changed, What Matters, What to Build
The rules quietly changed in February 2024. If your unsubscribe guide is older than that, it’s giving you 2014 advice for 2026 inboxes.
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