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Deliverability

21 articles on deliverability.

GuidesDeliverability

What Is an SMTP Relay and When Do You Need One?

An SMTP relay sends email on behalf of your apps and devices. Here's what it is, how it differs from a normal mailbox, and when your business needs one.

October 15, 2026 2 min read
GuidesDeliverability

Why Your Emails Go to Spam (and How to Fix It)

Legitimate business email landing in spam is usually fixable. Here are the most common reasons it happens and a practical checklist to get back to the inbox.

October 13, 2026 2 min read
GuidesDeliverability

Transactional vs Marketing Email: What's the Difference?

Transactional and marketing emails serve very different purposes - and mixing them can hurt deliverability. Here's the difference and how to handle each correctly.

October 9, 2026 2 min read
GuidesDeliverability

How to Check If Your Email Domain Is Blacklisted

If your business email is suddenly bouncing or landing in spam, your domain or IP may be blacklisted. Here's how to check, why it happens, and how to get removed.

October 8, 2026 2 min read
GuidesDeliverability

DMARC Policy Explained: none vs quarantine vs reject

What the three DMARC policies mean - p=none, p=quarantine and p=reject - and how to move through them safely to stop spoofing without blocking your own email.

October 5, 2026 2 min read
GuidesDeliverability

What Is a Backup MX (Secondary MX) and Do You Need It?

A backup MX catches your email if your primary mail server is unreachable. Here's how secondary MX records work, the pros and cons, and whether your business needs one.

October 3, 2026 2 min read
GuidesDeliverability

How to Reduce Email Spam Complaints

Spam complaints quietly wreck your sender reputation and deliverability. Here's what causes them and practical steps to keep complaints low and your mail in the inbox.

October 1, 2026 2 min read
GuidesDeliverability

Shared vs Dedicated IP for Business Email

Should your business email send from a shared IP or a dedicated one? Here's how each affects deliverability and reputation, and which is right for you.

September 27, 2026 2 min read
GuidesDeliverability

What Is a Subdomain, and Should You Use One for Email?

Subdomains explained - what they are, how they differ from your main domain, and whether you should send business or marketing email from a subdomain.

September 24, 2026 2 min read
GuidesDeliverability

How to Warm Up a New Email Domain for Better Deliverability

Sending from a new domain? Learn how to warm it up gradually so your business email builds sender reputation and lands in the inbox instead of spam.

September 18, 2026 2 min read
GuidesDeliverability

How to Send Bulk Email Without Landing in Spam

Sending to a large list without hurting your reputation takes the right setup and habits. Here's a practical guide to bulk email that reaches the inbox.

September 12, 2026 2 min read
GuidesDeliverability

What Is Greylisting in Email? A Simple Explanation

Greylisting explained - how this anti-spam technique temporarily defers unknown senders to block spam, why it can delay the odd email, and how it helps your inbox.

September 11, 2026 2 min read
GuidesDeliverability

Email Bounce Messages Explained: Hard vs Soft Bounces

What email bounces mean, the difference between hard and soft bounces, common bounce reasons, and how to fix them to protect your sender reputation.

September 10, 2026 2 min read
GuidesDeliverability

What Is BIMI? Getting Your Brand Logo in the Inbox

BIMI explained - how it puts your verified brand logo next to your emails, why it builds trust and deliverability, and what you need (DMARC first) to set it up.

September 7, 2026 2 min read
GuidesDeliverability

How to Whitelist Email Senders (and Why It Matters)

How to whitelist email senders so important messages never land in spam - what a safe-sender list is, when to use it, and how to do it the right way for a business.

September 6, 2026 2 min read
GuidesDeliverability

How to Verify Your Domain for Email

Verifying your domain proves you own it and unlocks authenticated sending. Here's what domain verification means for email and the DNS records involved.

August 30, 2026 2 min read
GuidesDeliverability

What Is Greymail and How to Reduce It

Greymail is the mail you technically signed up for but rarely read - newsletters, alerts and promotions. Here's what it is and how to get it under control.

August 5, 2026 2 min read
GuidesDeliverability

What Is DNS and How It Powers Your Email

DNS is the internet's address book - and it's what makes email on your own domain work. Here's a plain-English look at the DNS records behind your email.

July 19, 2026 2 min read
GuidesDeliverability

DMARC Reports Explained: How to Read Them and Fix Problems

DMARC reports look intimidating but they are simple once you know what to look for. Learn to read aggregate reports, spot failures and tighten your policy safely.

July 8, 2026 2 min read
GuidesDeliverability

How to Improve Email Deliverability and Stay Out of Spam

Practical steps to improve business email deliverability - authentication, sender reputation, list hygiene and content tips that keep your mail in the inbox.

July 3, 2026 2 min read
GuidesDeliverability

SPF, DKIM and DMARC Explained: Email Authentication for Better Deliverability

What SPF, DKIM and DMARC are, why they matter for email deliverability and security, and how to set them up so your business email lands in the inbox - not spam.

June 22, 2026 2 min read