[JSDSERVER-7336] Replying over notification mails, causing attachments unreadable

Type: Bug
Resolution: Fixed
Priority: Low
Fix Version/s: 5.17.0
Affects Version/s: 4.8.1
Component/s: Email - Incoming
Labels:
- cqt

Support reference count:
1
Symptom Severity:
Severity 3 - Minor
Bug Fix Policy:
View Atlassian Server bug fix policy

Issue Summary

Replying over notification mails, causing attachments unreadable and this has been observed in the outlook as in the Gmail it's working fine without issues.

Steps to Reproduce

Configure both outgoing mail & incoming mail
Generate a notification that contains attachments in the message body(those have been copied and pasted)
reply with attachments in the message body by copying and pasting some images

Expected Results

A comment should be added to the issue comment section with only the latest message & attachments pasted in the last email response.

Actual Results

A comment is getting added to the issue comment section with all attachments even from the previous responses and also the last added attachment is getting added at the end of the comment and also it's becoming un-readable.