Mailjet blog


Everything you need to start building connections that matter.

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

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

Smirky god on moped with green and red background

Email throttling: why you should optimize sending speed?

Email throttling is one of the minor components of email deliverability...

Read more

Hermes and a Goddess deliver mail in front of a green and orange house

How to handle SPF (Sender Policy Framework)

Sender Policy Framework is an e-mail validation system designed for preventing e-mail spam by detecting e-mail spoofing, a common...

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 ( 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

Gods putting mail in blue mailbox

3 factors that impact your IP reputation

ISPs base their decision about whether incoming emails will be placed in the inbox (rather than...

Read more

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.

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