- Navigate to Google account --> Profile Pic --> Manage Account

- Select Security and Enable 2 factor authentication if you have not done it
	○ You can follow instruction and choose different option instead of phone number
	○ It will give you option to prompt on your device after login
	○ If you device doesn't appear on page, then Add your google account in your mobile phone

- Once 2MFA is enable navigate back to security Tab and click on 2 Step Verification in Right Pane

- On bottom of the page you will find App Password

- Create a new App password for Jenkins

smtp server : smtp.gmail.com
Smtp port : 465
- Advance
	□ Add Credentials for Google username and App password generated above
	□ Use SSL

Default user email suffix : @gmail.com

ListID : Leave it blank

Default Recipients : ****@gmail.com

Reply To List : [email protected]

Leave everything as Default

Chose Appropriate Default Triggers

smtp server : smtp.gmail.com
Default user email suffix : @gmail.com
- Advance 
Use SMTP Authentication
Add Credentials for Google username and App password generated above
Use SSL
SMTP Port : 465
Reply To List : [email protected]
Charset : UTF-8 (by default it is UTF-8)
Test e-mail recipient : <enter recipient email id >

1. Create a Slack account if you don't have one. Set up a Slack workspace if you haven't already.

2. To create an app in slack you have required permissions, otherwise you will not be able to see app options

3. Navigate to workspace in Slack-->Settings & adminstration--> Manage apps

4. Click on Build button on top right corner of the page, to create a new App

5. Click on Create New App --> From Scratch --> Provide your prefered name and select your worksace --> Create App

6. You will be landed on the Basic Information page, navigate to "OAuth & Permissions" menu item on left pane

7. On OAuth & Permissions page, under User Token Scope --> click on Add an OAuth Scope

8. Type and select chat:write

9. On top of same page, under section "OAuth Tokens for your workspace" --> click on "Install to workspace" button to generate token

10. Click Allow

11. On slack workspace add a public channel as "Notification"

OR

We can add a existing Jenkins CI app.
1. Navigate to workspace in Slack-->Settings & adminstration--> Manage apps
2. Search "Jenkins CI" in the search App Directory box on top of the page
3. Click on Add to Slack button
4. Choose channel from the dropdown box --> Click on Add Jenkins Ci Integration

1. Install "Slack Notification" plugin

2. Navigate to Manage Jenkins --> System

3. Under Slack section, Add workspace name. The workspace name can find from your workspace url, like if your workspace url is https://training-7u81625.slack.com, then your workspace name will be training-7u81625

4. Add your slack token, generated above, as secret text credentials in Jenkins

5. Specify channel name, created above.

12. Check the checkbox "Custom slack app bot user"

13. Apply and Save

1. Add a PostBuild Action --> Select Slack notification
2. Check "Notify Build Start" & "Notify Success" --> Apply & Save