login to keycloak admin console.
go to realm setting and then email tab.
fill all the required details
click on test connection button
error occurred. ![keycloak-test-email|644x500]
12:04:13,250 ERROR [org.keycloak.services] (default task-169) KC-SERVICES0029: Failed to send email: javax.mail.AuthenticationFailedException: 534-5.7.14 <Sign in - Google Accounts
534-5.7.14 FKDeynAkdWRxKy5bCgWd_nWzSOyehBY12drzgm3vjbqS5fDOl8HEhhafQjBmXgZHT5bOk
534-5.7.14 kfIjNMH_HwXp3-PF00JQzlnqEF4TurARvKs5_B2q7175JjpgPZLRIhODHrcpBHl0>
534-5.7.14 Please log in via your web browser and then try again.
534-5.7.14 Learn more at
534 5.7.14 Check Gmail through other email platforms - Gmail Help y4sm2979897ejr.101 - gsmtp
(upload://5FcObiE1vo6lD2MY5VhDpITBqQh.png)