Hello @aditya_ghongade - Thank you for reaching out to the StreamSets community. I’m sharing the email configurations from workstation which is working fine for me.
mail.transport.protocol=smtps
mail.smtp.host=smtp.gmail.com
mail.smtp.port=25
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.ssl.protocols=TLSv1.2
mail.smtp.ssl.trust=smtp.gmail.com
mail.smtps.host=smtp.gmail.com
mail.smtps.port=465
mail.smtps.auth=true
mail.smtps.ssl.protocols=TLSv1.2
mail.smtps.starttls.enable=false
mail.smtps.ssl.trust=smtp.gmail.com
xmail.username=<email>
xmail.password=${file("email-password.txt")}
xmail.from.address=<email>
However, I had to turn on the less secure apps access setting from my gmail account.
Could you please check the data collector is really hitting to the email address from the smtp logs and see if you have any configuration that needs to the enabled for that email address from smtp side?
Thank you - AkshayJ