A simple red cartoon-style telephone handset icon, isolated on a white background.

One-on-one free email deliverability consultation

Blog

SPF, DKIM, and DMARC: What They Are and Why You Should Care

Imagine this: It’s that time of day where you open your email marketing platform’s dashboard to check the numbers. You see your open rates are unexpectedly low. Some recipients report

V
A tiger mascot wearing a black warmy t-shirt stands with arms crossed next to text: SPF, DKIM, & DMARC What They Are and Why You Should Care on a white background with orange grid accents.

SPF, DKIM, and DMARC: What They Are and Why You Should Care

Imagine this: It’s that time of day where you open your email marketing platform’s dashboard to check the numbers. You

A graphic showing the words How a Template Checker Can Save Your Campaigns next to a partial screenshot of an email template checker tool interface.

How a Template Checker Can Save Your Email Campaigns

We’re certain you’ve experienced this scenario too many times before. You’re looking forward to checking the open rates and clickthrough

A person seated at a laptop with numerous red and yellow envelopes flying out from the screen, symbolizing digital communication. The background includes digital symbols, suggesting a fast-paced data exchange environment.

How to Boost Brand Recognition and Email Deliverability

While email marketing plays a key role in brand building, it has become more challenging than ever. Emails may go

A digital illustration showcasing the Bimi email logo at the center, surrounded by various tech and media brand logos including Amazon, Instagram, Apple, and Microsoft. The design features glowing lines connecting these logos, with warmy.io at the bottom.

Why Implementing BIMI is a Game-Changer for Your Brand

In 2024, the number of sent and received emails reached 361.5 billion. Can you believe it? And this 2025, it

A digital envelope with an @ symbol is centered amid circuit lines leading to icons: thumbs up, stars, and another envelope, symbolizing connectivity and communication. The background has a tech-inspired, futuristic design.

Maximizing Cold Email Impact: Social Proof and Email Deliverability

Can you remember the last thing you wanted to buy? Take a minute to think back to the moment leading

A wristwatch displaying a futuristic digital face with DNS and DNS Propagation Delays in the center. The watch has a metallic strap and a glowing grid design, with circular lights around the bezel, set against a warm background.

What Is DNS Propagation and How to Minimize Its Impact on Email Deliverability

DNS records undergo modifications — such as SPF, DKIM, DMARC, MX, A records, or PTR records. These updates or modifications

A blue email envelope icon with a white @ symbol is surrounded by vivid flames, set against a bright orange background, symbolizing rapid or intense communication.

How Email Warm Ups Transform Cold Outreaching

Content marketing and cold outreaching is a little like filing your taxes or going to the dentist. It may not

A dynamic illustration depicts multiple digital envelopes with a large envelope at the center against an orange background. The envelopes have motion lines, suggesting rapid movement or delivery in a digital context.

Managing Multiple Email Identities with Aliases A Guide for Better Email Deliverability

Multiple email identities can be appealing. It makes your business, or professional profile presentable. Besides its aesthetic potential, multiple email

A large metal press labeled IPS and IP compresses stacks of blocks with the same labels. The background is bright with streaks of light, and more blocks are scattered on the ground.

How to Use SPF Flattening Tools to Optimize Your Email Deliverability

Email authentication is a vital procedure for maintaining high email deliverability. Having the slightest chance of your email authentication derailing

A metal press labeled SPF compresses several blocks showing IP addresses and SPF record syntax against an orange background. The image conceptually illustrates SPF record management.

What Is SPF Flattening and How It Can Simplify Your SPF Records Without Losing Functionality

Lack of proper email authentication is one of the reasons why your emails are being sent to spam. One of

A glowing laptop displays a medical cross on its screen. A stream of digital envelopes emerges from the laptop, floating into the distance against a fiery orange background with circuit patterns, symbolizing email communication in healthcare.

Examples of Positive and Negative Feedback Loops in Email Deliverability

For email marketing strategists, understanding the recipient’s engagement level and their reactions to the email contents can help them determine

A digital shield with a padlock labeled SPAM is at the center, surrounded by icons of envelopes with exclamation marks, set against a dynamic, glowing background. The words SPAM and INCOMING SPAM appear around the shield.

How to Use PTR Records to Improve Email Warmup and Deliverability

Implementing an effective email outreach program, sending marketing campaigns, or initiating customer communications are vital for email deliverability. Employing email

Two silhouetted figures stand beneath a large clock labeled DNS, with beams of light radiating behind it. DNS is repeated on walls around them. A briefcase on the floor also displays DNS. The scene has a futuristic, digital atmosphere.

How DNS Propagation Delays Affect Email Deliverability and What You Can Do About It

DNS is the backbone of all your internet activities. If the DNS servers provided by your ISP are sluggish or

The image features the Gmail and Google logos in a dynamic, abstract design dominated by vibrant orange and yellow colors. The logos appear to be moving forward with motion lines, surrounded by envelope icons, suggesting email communication.

What Is an Email Alias and How It Affects Email Deliverability

The effects of having a professional email can do more than make your business aesthetically pleasing. It has an immense

Stay up to date

Subscribe to Warmy.io's newsletter for weekly insights on mastering email deliverability

*You can unsubscribe anytime