I noticed that no alt attribute is added to Mailjet's tracking pixel (1x1 img).
This leads to a devaluation in the suspected spam rating of the e-mail.

I ask that you set an alt attribute on your tracking pixel by default.
The alt attribute alt="" can be empty or filled with a space. It is sufficient that it is simply there.

Need the ability to rate limit the number of emails sent in an hours time, if a list/campaign is 12,000 contacts have a function that says deliver 5,000 emails per hour until finished. This will also help with keeping from being rate limited by recipient systems like Microsoft and Google and being put into a queue to retry or soft bounced.

From and EnvelopeFrom 2nd level mail domains are different.

This should be corrected as it means a deduction of 0.249 points in the spam rating of the email.

There is no option to stop sent email even tough system is ending 200 emails per day there is no option to stop or change email after clicking sent. This is a very serious problem!

Add ability to customize return-path via API to avoid to do it manually (same as domain validation).

Please add automatic return-path stamping and self service for the same.

Right now there is only one custom return path pr. sub account.

We should simply be able to setup this return-path once for a domain, and have is useable by multiple sub accounts

Just like with DKIM.

You can use plus addressing to make sure bounces are stored in the right subaccount.

Since many other vendors are doing this already, I expect to see the same form mailjet as it is essential for compliance and flexibility of the platform.

Outgoing email should be deliverable over IPv4 and IPv6.

We've noticed that reports of spam are counted at the time of the report, not the time the email was sent. So if a recipient received multiple emails over the course of a month and then decided later to mark them all as spam, we see an immediate spike in the spam counts. This means that a single recipient could cause our account to be throttled. We'd like to see the time the original email was sent factored into the spam reporting so that our account is not limited based on an action that we have no way of fixing.

create reports that can be emailed daily, especially reports that show emails that did not get delivered, with the reason why, bad address, blocked, etc. I know this information is available on the website, but it would be nice if this information could be setup in to be emailed to different recipients.

Some servers start to take reputation away from emails signed with 1024-bit DKIM keys.It would be nice to extend the functionality and allow 2048 bit DKIM keys

It would be great to see how much people of my email-list have opened their mail using Outlook or another email client.

I believe a good feature to add to the platform is to integrate any email that is sent through mailjet into gmail, that way I will be able to see the emails that have been sent in my gmail 'sent' tab.

permettre l'envoi de mails dont la taille serait supérieure à 15Mo et pouvant aller jusqu'à 100Mo

allow the sending of emails whose size would be greater than 15MB and up to 100MB

Add de-block button on blocked email addresses

I want to define a soft bounce management within the UI. This should give the ability to define how the system should handled a message that is soft bouncing several times.

Example:
If an email adresse does soft bounce five times i want it to be blocked.

I would like to sign my messages that I send with an S/MIME Key that you hold for me.

Add custom SMTP Relay with TLS & Authentication for specific recipients.

Need: Keep the same connection between our app and Mailjet, but be able to set custom delivery options for a set of recipients (based on domain names). Needed by some corporate clients of ours which have private SMTP relays to whitelist automated emails.

Currently, if a recipient sends a hardbounce, all Mailjet senders are blocked, including those with a dedicated IP. It would be interesting to block only those belonging to shared pools (to avoid a drop in the overall score) and let the dedicated IPs make a reputation for themselves.