What is Sendgrid Bounce & Spam Processor ?

This is an addon for Interspire Email Marketer that processes the bounced emails sent by Sendgrid SMTP and adds them to the list-wise suppression list of IEM. It also mark that email as Bounced as Activity Status and records the process for showing up details on Campaign and ContactList details pages. It also processes the SPAM reports and unsubscribes that email address from that particular contactlist.

How does it work?

Sendgrid changes the return-path of mails sent by their SMTP service, so IEM can't detect if any mail is bounced or not. Sendgrid Bounce Processor addon makes a way to solve this problem. It keeps a listener on your self hosted IEM and when handing over mails to sendgrid, it adds some custom headers that sendgrid send back to your IEM. Sendgrid Event Notification service is used for getting the POST response.
The response from Sendgrid is then processed and necessary actions are taken like adding the bounced mail address to the list specific suppression list and unsubscribing the spam reported email address.

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Multiple User Support

Regular Interspire users can see and manage bounce and spam statistics for their owned contactlists. For admins it shows statistics of global bounce processing.

Set Permission

Admin can set a new permission for the user groups to access the Sendgrid bounce and spam report statistics page. Again, only admin can see settings page of Sendgrid addon.

Smart Spam Report

Sendgrid feedbacks spam complaints with email address and the addon instantly unsubscribes that email address from that particular contactlist so that your score can stay up.

Proper Logging

Get in-details informations of the bounced mails. From which campaign or which contact-list, was the mail bounced and the proper reason behind that.

Easy Installation

Hassle-free installation process. Follow the documentation, just copy-paste some files, would not take more than 5 minutes.

Zero Configuration

The add-on has got zero configuration.Other than just setting up Sendgrid, you have nothing to configure in the addon side.

Sendgrid Addon Screenshots

Frequently Asked Questions

Is my server compatible for this addon?

Any Interspire Email Marketer version greater than 6.0.0 is compatible (tested up to 6.1.6).
You do not need any other requirements whatsoever.

How many files do I need to change ?

You just have to edit a single core-file of IEM.

Does the addon support multiple user separate statistics ?

Yes! Your regular users can see bounce and spam statistics for only their contactlists. But admin can access global statistics.

From where can I access the statistics ?

Under "Statistics" menu, you will get a new menu "Sendgrid Bounce Statistics". Easy and simple!

Can I set permission for users to see bounce & spam statistics ?

Yes! Admin can set a new permission for user groups whether that group can access the addon statistics or not.

Trouble installing the addon ?

If you are facing problem or want to debug, open "sendgrid_listener.php" and make SENDGRID_DEBUG = TRUE .
Then, check your '/admin/temp/sendgrid_listener.log' logfile.

Still having problem ?

If you are facing problem working with the addon? Or have got any suggestion or query ?
Feel free to contact us .

Want your custom add-on for Interspire Email Marketer ?

If you are looking for some custom add-on for your Interspire ?
Please contact us .
$ 150 Per Domain

Compatibility: IEM 6.1.x ( tested up to 6.1.6)


What covers the addon ?


  • Add-on Package
  • Documentaion
  • First time installation
  • Lifetime Update service

Purchase