Problems with Email Integration in Jenkins and Microsoft Teams

Exploring Email Delivery Problems

Webhooks are usually used when integrating Jenkins with Microsoft Teams so that users may get notifications on job statuses like starts and failures. For team communication in real time, this direct notification system works well. A new feature that could improve this communication is currently being investigated: test reports could be sent as email attachments straight to a Teams channel.

The emails do not arrive in the Teams channel, which is a major obstacle to sending these reports by email, even when webhook notifications are successful. Although emails sent to personal and corporate email addresses arrive without any problems, it appears that Jenkins does not send any emails to the Teams channel particular address, which makes it difficult to effectively share test results with team members.

Command	Description
smtplib.SMTP()	Establishes a connection to the email server used for sending out messages.
server.starttls()	Uses TLS to upgrade the SMTP connection to a secure connection.
msg.attach()	Components of the email message, like files or plain text, are attached.
httpRequest()	Sends data to an MS Teams webhook by sending an HTTP request from Jenkins to a given URL.
pipeline	Outlines a Jenkins pipeline script structure and the steps that the build process should go through in order.
echo	Prints a message that can be used for pipeline execution tracking and debugging to the Jenkins console log.

Comprehending Script Features for Integration with Email and Notifications

In the first script example, an SMTP connection is established for email transmission using Python and the library. The main purpose of this script is to enable Jenkins to deliver test reports straight to a Microsoft Teams channel as email attachments. This connection is made by the command, and it is secured with TLS encryption by . The MIMEMultipart and classes are used to build and structure the email message; is essential for inserting the attachment and the email body.

A Groovy script utilized in Jenkins pipelines is the subject of the second script example. It defines a series of actions (stages) that Jenkins will carry out by utilizing the Jenkins pipeline syntax. Interestingly, a webhook URL may be used to interact with Microsoft Teams using the command. When a job status changes, this command sends a POST request to the Teams channel, enabling team members to get real-time updates on work starts, successes, or failures directly in Teams. Using in the stages facilitates the tracking of results and progress at every pipeline stage.

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from jenkinsapi.jenkins import Jenkins
def send_email(report, recipient):
    mail_server = "smtp.example.com"
    mail_server_port = 587
    sender_email = "jenkins@example.com"
    msg = MIMEMultipart()
    msg['From'] = sender_email
    msg['To'] = recipient
    msg['Subject'] = "Jenkins Test Report"
    body = "Please find attached the latest test report."
    msg.attach(MIMEText(body, 'plain'))
    attachment = MIMEText(report)
    attachment.add_header('Content-Disposition', 'attachment; filename="test_report.txt"')
    msg.attach(attachment)
    with smtplib.SMTP(mail_server, mail_server_port) as server:
        server.starttls()
        server.login(sender_email, "your_password")
        server.send_message(msg)
        print("Email sent!")

pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                echo 'Building...'
            }
        }
        stage('Test') {
            steps {
                script {
                    def response = httpRequest(url: 'https://outlook.office.com/webhook/your_webhook_url_here',
                                               method: 'POST',
                                               contentType: 'APPLICATION_JSON',
                                               requestBody: '{"text": "Build started"}')
                    if (response.status != 200) {
                        echo "Failed to send Teams notification"
                    }
                }
            }
        }
        stage('Deploy') {
            steps {
                echo 'Deploying...'
            }
        }
        post {
            success {
                script {
                    httpRequest(url: 'https://outlook.office.com/webhook/your_webhook_url_here',
                                method: 'POST',
                                contentType: 'APPLICATION_JSON',
                                requestBody: '{"text": "Build successful"}')
                }
            }
            failure {
                script {
                    httpRequest(url: 'https://outlook.office.com/webhook/your_webhook_url_here',
                                method: 'POST',
                                contentType: 'APPLICATION_JSON',
                                requestBody: '{"text": "Build failed"}')
                }
            }
        }
    }
}

Connecting MS Teams and Jenkins to Improve Communication

Configuring security and permissions is an important component of integrating Jenkins with Microsoft Teams that hasn't been discussed yet. It's crucial that the email gateway and the Teams channel settings permit emails to be transmitted when Jenkins tries to send them to an MS Teams channel. To do this, set up the Teams channel to accept emails from outside sources, like the Jenkins server in our example. Emails that are sent properly from Jenkins but are not received may be the result of this setting being incorrectly setup.

To make sure that emails from Jenkins are not automatically blocked out, it may also be necessary to check spam filters and email routing settings within the Teams service while debugging such difficulties. It's also a good idea to confirm that the Teams channel email system accepts the email address used by Jenkins in the correct format, as even little configuration errors can result in delivery issues.

1. Why does the MS Teams channel not receive emails from Jenkins?
2. Verify that the MS Teams channel is set up to receive emails from outside email addresses and make sure that no spam filters are preventing these messages from getting through.
3. How can Jenkins be set up to send emails?
4. Jenkins settings require the setup of an SMTP server and the use of for authentication.
5. What are the typical errors made when configuring Jenkins' email notifications?
6. Erroneous recipient email format, inappropriate email server settings, and poor Jenkins job configuration are examples of common blunders.
7. Is it possible for Jenkins to notify several recipients by email?
8. Jenkins can be set up to send emails to several recipients if the recipients are specified in the post-build actions of the task.
9. How can I make sure Jenkins's email alerts are configured properly?
10. Check that the emails are received appropriately by manually starting a job to test the setup. Look for any error notices in the Jenkins server logs as well.

A number of specific procedures must be followed in order to successfully integrate Jenkins with Microsoft Teams for email notifications. It is important to make sure that both systems are set up correctly for communication. This involves configuring Microsoft Teams to receive messages from Jenkins and setting up SMTP for Jenkins. When these settings are in line, email notifications for jobs and test reports are sent automatically, which improves teamwork and productivity.