When the instance receives an email message, the system searches for an existing user record with the same email address as the sender.

Table 1. Matching email to existing users
Value of email.from VariableMatching User IDEmail AddressName
michael.tossi@company.com michael.tossi@company.com michael.tossi@company.com Michael Tossi
"Michael Tossi" <michael.tossi@company.com> michael.tossi@company.com michael.tossi@company.com Michael Tossi
"Tossi, Michael" <michael.tossi@company.com> michael.tossi@company.com michael.tossi@company.com Michael Tossi
"Tossi" <mtossi@company.com> mtossi@company.com mtossi@company.com Tossi
Note: This functionality requires that you activate the Email Automatic User Creation plugin.

Inbound Email Action scripts no longer support the gs.createUser() method. Use either the automatically-generated email variables or the gs.GetUserID() method instead.