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Code Issues 54 Packages Projects Releases Wiki Activity

Email File Attachment Error #290

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opened 2026-02-16 10:18:49 -05:00 by yindo · 0 comments
yindo commented 2026-02-16 10:18:49 -05:00
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Originally created by @pr-maia on GitHub (May 16, 2025).

Self Checks

  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues Dify issues & Dify Official Plugins, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.3.1

Plugin version

0.0.7

Cloud or Self Hosted

Self Hosted (Source), Self Hosted (Docker)

Steps to reproduce

Simply create an workflow that takes in files as inputs and try to use them in the File Attachments field of the email tool.

Image

My SMTP server is simply smtp.office365.com and adding http:// or https:// to the beggining doesnt solve the issue (the emails never arrive) so i don't think this is the solution.

✔️ Error log

Failed to transform tool message: PluginInvokeError: {"args":{},"error_type":"UnsupportedProtocol","message":"Request URL is missing an 'http://' or 'https://' protocol."}
Originally created by @pr-maia on GitHub (May 16, 2025). ### Self Checks - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [Dify issues](https://github.com/langgenius/dify/issues) & [Dify Official Plugins](https://github.com/langgenius/dify-official-plugins/issues), including closed ones. - [x] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.3.1 ### Plugin version 0.0.7 ### Cloud or Self Hosted Self Hosted (Source), Self Hosted (Docker) ### Steps to reproduce Simply create an workflow that takes in files as inputs and try to use them in the **File Attachments** field of the email tool. ![Image](https://github.com/user-attachments/assets/a1baa820-cea1-41c9-a07e-4cfd522f3e82) My SMTP server is simply `smtp.office365.com` and adding http:// or https:// to the beggining doesnt solve the issue (the emails never arrive) so i don't think this is the solution. ### ✔️ Error log ``` Failed to transform tool message: PluginInvokeError: {"args":{},"error_type":"UnsupportedProtocol","message":"Request URL is missing an 'http://' or 'https://' protocol."} ```
yindo added the bug label 2026-02-16 10:18:49 -05:00
yindo closed this issue 2026-02-16 10:18:49 -05:00
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Reference: langgenius/dify-official-plugins#290
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