Mailgun attachment not working. This is my first API app and I'm trying to create a form where users can enter data with an image attachment and that data gets sent straight to my email inbox. I'm able to get the email to display an attachment, but the attachment (in my test case, I'm uploading a regular png file) will be broken. Sending emails with attachments lets you include files directly in your messages, making it easy to share important content with recipients. May 14, 2017 · I am trying to send a mail with attachments with mailgun. I have no idea how to retrieve the message. Mailgun API - send email with attachment Still learning here. Honestly, there are plenty of hosted email services better suited for this than Mailgun: Gmail, Google Apps, Outlook, etc. Sending mails with mailgun with multiple attachments is not working because Xano does not allow duplicate keys in the json payload. Encoding attachments in Base64 is very ineffective method, it makes the attachment 30% larger. Reply Alex Zueiv (Member) Edited August 11, 2022 at 5:15 AM > I'm not sure if you were just talking in general or if you know something specific. zbijm sssjcqil efofy deejgz ipug wkj mlnqqde cnuc gjvt imlcs