Mailjet blog

Deliverability

Everything you need to start building connections that matter.

Hermes and Hera with crayons

Spring is here! Time to give your inbox a spring clean

The sun’s out, the rain has resided… we all know what that means right? Spring time is upon us...

Read more

Hermes and Hera in front of the desktop graphics

January blues: Declining open rates and what to do about them

It could be that it’s one of the colder months of the year (in the northern hemisphere), or that we’re just coming off the holiday season...

Read more

Three superhero gods in front of a screen

Flight School Friday: Developing for deliverability

There are a number of API “hacks” that can be done to boost your deliverability rate.

Read more

God in mask spamming

Flight School Friday: How to outsmart the spammers

We give you the most common tactics of spammers and teach you how to beat them

Read more

Hermes getting scanned

Flight School Friday: The history of spam

The spam folder; it’s every email sender’s worst nightmare. Being mislabeled as spam hurts your...

Read more

Hermes sending a letter

[STUDY] Email personalization: How good is it for your deliverability?

A study recently came out that went almost completely unnoticed. Nevertheless, it raises a crucial point. The practice of...

Read more

Hermes sits on a coffee mug while a Goddess talks to him

The new Gmail tabs: What conclusions can we draw?

On May 29th, 2013, Google launched a new version of Gmail. The major change was the appearance of the now famous tabs...

Read more

Gods in costumes in front of a building

10 HTML tips for improving your email deliverability

Three years ago, a Mailjet team member experienced a surprising situation with one of the clients of his...

Read more

Gods putting together molecule pieces

Can a beer improve your deliverability?

No, finding the nearest bar and ordering a nice cold beer will not solve your deliverability...

Read more

Hermes and a Goddess share data while a hand draws

Your email reputation also depends on your domain name

Over time, ISPs (Internet Service Providers) and webmails have developed many techniques to detect...

Read more

Hermes carries a box of letters to a Goddess in front of a wooden window

Deliverability advice: Test the rendering of your emails!

Ask what an HTML coder thinks of email…the response is rarely complimentary! In fact, HTML...

Read more

Gods doing security check

Deliverability advice: Personalize the sender domain name

Have you ever heard of identity theft? These people will steal someone's identity in order to subscribe to various services...

Read more

Email icon

Keep me posted! Get our news and tips every week.

Send me the newsletter. I expressly agree to receive the newsletter and know that I can easily unsubscribe at any time.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Gods doing security check

Deliverability tip: Identity behind a sending domain name

Some folks create a domain name (dedicated to email campaigns) linked to a non-functional, non-existent website. A good...

Read more

Gods in front of laptop screen and plant with megaphone and x sign

Deliverability advice: How to avoid the pitfalls of inactive contacts

To begin, in the world of email, what exactly is an inactive contact? We can define this term as an email address that has not been reactive...

Read more

Gods take pictures of themselves on a growth curve

Flight School Friday: DMARC results in 90% reduction in spam

Alex Stamos, Chief Information Security Officer at Yahoo!, recently testified in front of a US...

Read more

Hermes and a Goddess split email in front of colourful cabins

How to monitor the reputation of your IP address

When you send big amount of emails, you have to constantly watch your email reputation...

Read more

A God with a face cover doing somethin evil with a laptop

Safer Internet Day: How Mailjet helps

Safer Internet Day is today (https://www.saferinternetday.org/). We, at Mailjet, want to use this...

Read more

Hermes delivering a box full of letters

8 lessons learned from Yahoo’s bold move of recycling inactive email addresses

Since Marissa Mayer was appointed CEO, a lot of things have changed at Yahoo.

Read more

It's never been easier to build connected experiences. Start sending with Mailjet today.Get started on your path
CTA icon