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Add a Comment to the Issue Mentioned in the Mail Subject


Automate adding a comment to an existing issue when the subject line of an email sent to Jira contains a valid issue key. If you want to allow comments from unregistered Jira users, you can choose a registered user who will add those comments on behalf of the email sender.


As a project manager, I want the body of emails sent to Jira to automatically be added as a comment on existing issues when the user includes that issue key in the email subject. Comments should be added as the sender user, or as a delegated/impersonating user commenting on behalf of the sender.

Good to Know

  • Use the dispatchCommentedEvent boolean to tell Jira to send an Issue Commented event or not.

  • Use the allowCommentsFromUnregisteredUsers boolean and the commentAsUser user Name string to allow a designated user to add comments for unregistered Jira users.


Regarding the allowCommentsFromUnregisteredUsers variable. You must be certain that you want to allow comments from emails sent to Jira from senders that are not registered users. This could open up your Jira server to comments from any source that knows a valid issue key. Please assess the risks before you use this script.


  • Jira Jira (8.0 - 8.14)
  • ScriptRunner for Jira ScriptRunner for Jira (6.18.0)
import com.atlassian.jira.component.ComponentAccessor import com.atlassian.jira.issue.Issue import com.atlassian.jira.permission.ProjectPermissions import com.atlassian.jira.service.util.ServiceUtils import com.atlassian.jira.service.util.handler.MessageHandlerContext import com.atlassian.jira.service.util.handler.MessageUserProcessor import com.atlassian.jira.user.ApplicationUser import com.atlassian.mail.MailUtils import groovy.transform.Field import javax.mail.Message // should dispatch Issue Commented event final dispatchCommentedEvent = true // allow comments from non-jira users final allowCommentsFromUnregisteredUsers = true // to allow comments from any email sender you must specify an existing user who will add the comments on their behalf @Field final commentAsUser = 'impersonatingUser' def subject = message.subject as String def issue = ServiceUtils.findIssueObjectInString(subject) if (!issue) { // existing issue not found within subject, so no issue will be updated return } def body = MailUtils.getBody(message) if (!body) { // mail has no body content so comment will not be added return } def commentUser = getCommentUser(message, issue, allowCommentsFromUnregisteredUsers) if (!commentUser) { log.error("Could not add comment to ${issue.key} from email with subject $subject, as no user with permission to comment was found") return } // get senders email addresses and prepend to mail body so comment has source email address on the first line def senders = MailUtils.getSenders(message).join(',') def commentBody = "$senders\n$body" (messageHandlerContext as MessageHandlerContext).createComment(issue as Issue, commentUser as ApplicationUser, commentBody as String, dispatchCommentedEvent as Boolean) def getCommentUser(Message message, Issue issue, Boolean allowCommentsFromNonJiraUsers) { def userManager = ComponentAccessor.userManager def permissionManager = ComponentAccessor.permissionManager def messageUserProcessor = ComponentAccessor.getComponent(MessageUserProcessor) def sender = (messageUserProcessor as MessageUserProcessor).getAuthorFromSender(message) def delegatedUser = allowCommentsFromNonJiraUsers ? userManager.getUserByName(commentAsUser as String) : null // if sender can add comments return sender user, else return the commentAsUser permissionManager.hasPermission(ProjectPermissions.ADD_COMMENTS, issue, sender) ? sender : delegatedUser }
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