Cisco ISE 3.2 not send Guest credentials

[Ruelb2214]

Hello All,

We have weird experience in using v3.2 patch 4 with Sponsorship guest access, we deployed SSID with guest access need to register and sponsor need to approve. When guest registered using their personal email (ex. guest@yahoo.com) and input email sponsor or host (host@mycompany.com) and when host approve the guest request it was able to approve without issue, BUT the guest did not receive the credentials. and when guest use company email (guest@mycompany.com) it was able to receive the credentials.

I thought it was the SMTP server, but when host login to sponsor portal page, then resend the guest credential to his personal email (guest@yahoo.com) no issue at all, guest receive the email.

Do you have any idea what to check?

[marce1000]

    - FYI : https://www.cisco.com/c/en/us/support/docs/security/identity-services-engine/216191-troubleshoot-common-cisco-ise-guest-acce.html#toc-hId--385401247
     Read the whole document too  : https://www.cisco.com/c/en/us/support/docs/security/identity-services-engine/216191-troubleshoot-common-cisco-ise-guest-acce.html

     + https://www.cisco.com/c/en/us/support/docs/security/identity-services-engine/212594-debugs-to-troubleshoot-on-ise.html#toc-hId--777503728
     From https://www.cisco.com/c/en/us/support/docs/security/identity-services-engine/212594-debugs-to-troubleshoot-on-ise.html

   M.