To authenticate with Google SMTP after obtaining an Okta session token:
Obtain the Okta session token by authenticating with Okta.
Exchange the Okta token for an OAuth access token compatible with Google SMTP.
Use the OAuth access token to authenticate with Google SMTP.
Send emails using Google SMTP.
If you want to skip all these steps, contact with smtp server service providers like SMTPget, iDealSMTP, or SendGrid. They will do all these things for you.
To authenticate with Google SMTP using an Okta session token, first exchange the Okta token for a Google OAuth 2.0 token. Then, use this OAuth token for SMTP authentication by setting it in the xoauth2 mechanism within your email client configuration. If you want to skip all these steps, contact SMTP service providers like SMTPget or Mailgun. They will handle everything for you.