Add file attachments to Email

Introduction

This feature enables you to attach one or more files as part of the message in the email campaigns.

Example use cases

Banks/Fin-tech brands send periodic account statements to their customer base
Travel and hospitality brands need to send receipts/tickets whenever a customer completes a purchase transaction

How to add attachments?

Enable More Options on the 'Compose Email' page and click on the 'Attachments' tab

There are three ways you can add attachments to email campaigns and they are:

Option 1 - Add an attachment file from your local drive

Step 1 - Click on the Local File option.

Step 2 - Add the file from your local drive using either the Browse option or Drag & Drop option.

Option 2 - Add an attachment file from a URL

Step 1 - Click on the URL option.

Step 2 - Add the URL containing the complete file path along with the extension.

Step 3 - Click on Attach button.

Option 3 - Add an attachment file using a personalized URL attribute

Step 1 - Click on the 'Personalized attachment' option.

Step 2 - Use '@' and click on the 'Click to personalize' button to invoke the personalization menu.

Step 3 - Select the personalized URL attribute pointing to the file location and choose the corresponding fallback option. Make sure the entire URL is present in the chosen personalized attribute.

Step 4 - Click on Attach button.

View all the added attachments in the "Info" section once the campaign is published. You can also see all the attachments added under different variations on the same page.

Limitations

Email size restrictions (MoEngage - Sendgrid)
- You can attach up to 10 files in a single email campaign.
- The individual file size limit is 6 MB.
- Total email size (including the attachments and email content) - 20MB
Email size restrictions (Other email delivery providers)
- You can attach up to 10 files in a single email campaign.
- The individual file size limit is 6 Mb.
- Total email size including the file attachment varies from provider to provider (We recommend having a maximum file attachment size of 75% of the available email limit). Below are file size limits for popular email providers:
  - Amazon SES - 10 MB (more details can be found here)
  - Mandrill - 25 MB (more details can be found here)
  - Sparkpost - 20 MB (more details can be found here)
  - For others, please check with the respective support teams/documentation
For attachments via URL/personalized URL
- The file in the URL needs to have a valid file extension.
- The file link should be in a publicly accessible location.

FAQs

Can I track if my recipient opened the attached file?

No, the tracking will only be with respect to the campaign. We will not be able to track whether the attachment file got downloaded/opened.

What happens if my attachments exceed the maximum file size limit specified by my email delivery provider?

This will lead to a hard bounce and the email will not be delivered.

What happens if the URL for the file attachment was faulty or incorrect?

The email campaign will not be delivered and this will be reported as 'Attachment failures' on the campaign analytics page.

What happens if the attachment files are missing in the URL I provided?

The email campaign will not be delivered and this will be reported as 'Attachment failures' on the campaign analytics page.