Try to get `email` from `AbpClaimTypes.Email` and `ClaimTypes.Email`.

modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs

@@ -229,7 +229,7 @@ public class LoginModel : AccountPageModel
 
         //TODO: Handle other cases for result!
 
-        var email = loginInfo.Principal.FindFirstValue(AbpClaimTypes.Email);
+        var email = loginInfo.Principal.FindFirstValue(AbpClaimTypes.Email) ?? loginInfo.Principal.FindFirstValue(ClaimTypes.Email);
         if (email.IsNullOrWhiteSpace())
         {
             return RedirectToPage("./Register", new {
@@ -268,7 +268,7 @@ public class LoginModel : AccountPageModel
     {
         await IdentityOptions.SetAsync();
 
-        var emailAddress = info.Principal.FindFirstValue(AbpClaimTypes.Email);
+        var emailAddress = info.Principal.FindFirstValue(AbpClaimTypes.Email) ?? info.Principal.FindFirstValue(ClaimTypes.Email);
         var userName = await GetUserNameFromEmail(emailAddress);
 
         var user = new IdentityUser(GuidGenerator.Create(), userName, emailAddress, CurrentTenant.Id);

modules/account/src/Volo.Abp.Account.Web/Pages/Account/Register.cshtml.cs

@@ -12,6 +12,7 @@ using Microsoft.Extensions.Options;
 using Volo.Abp.Account.Settings;
 using Volo.Abp.Auditing;
 using Volo.Abp.Identity;
+using Volo.Abp.Security.Claims;
 using Volo.Abp.Settings;
 using Volo.Abp.Validation;
 using IdentityUser = Volo.Abp.Identity.IdentityUser;
@@ -92,7 +93,7 @@ public class RegisterModel : AccountPageModel
             }
 
             var identity = externalLoginInfo.Principal.Identities.First();
-            var emailClaim = identity.FindFirst(ClaimTypes.Email);
+            var emailClaim = identity.FindFirst(AbpClaimTypes.Email) ?? identity.FindFirst(ClaimTypes.Email);
 
             if (emailClaim == null)
             {