Mailjet blog
Deliverability
Everything you need to start building connections that matter.

Flight School Friday: Developing for deliverability
There are a number of API “hacks” that can be done to boost your deliverability rate.
Read more

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

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

[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

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

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

Can a beer improve your deliverability?
No, finding the nearest bar and ordering a nice cold beer will not solve your deliverability...
Read more

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

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

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

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

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

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

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

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

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