You are right Van. But the MX Record should Point to FOPE Fornt first. Because i am using Office 365 with my On-Prem Hybrid servers. Currently my MX is pointing to On-Prem. On-Prem Server will decide it that a Cloud user or an On-Prem user. So please update the same in the doc...
Thunderbird will now try andfindstandard connection information to connect the email account. While this will work most of the time, you may need to configure this information yourself by clicking theConfigure Manuallybutton found at the bottom. Be sure to select the incoming protocol you wish to...