Mantis#2660. Thank you kindly, Ruud Lathrop for a patch that:

This patch adds the option of adding the email when you create 
a new user. This works in Gridmode as none Gridmode. This 
option is also added to RemoteAdminPlugin. With a new handler 
you can create a user with a email. 

4 files changed, 70 insertions, 22 deletions

diff --git a/OpenSim/Framework/Communications/CommunicationsManager.cs b/OpenSim/Framework/Communications/CommunicationsManager.cs
index bb4a853..3f46776 100644
--- a/OpenSim/Framework/Communications/CommunicationsManager.cs
+++ b/OpenSim/Framework/Communications/CommunicationsManager.cs
@@ -255,14 +255,15 @@ namespace OpenSim.Framework.Communications
         /// <param name="firstName"></param>
         /// <param name="lastName"></param>
         /// <param name="password"></param>
+        /// <param name="email"></param>
         /// <param name="regX"></param>
         /// <param name="regY"></param>
         /// <returns>The UUID of the added user.  Returns UUID.Zero if the add was unsuccessful</returns>
-        public UUID AddUser(string firstName, string lastName, string password, uint regX, uint regY)
+        public UUID AddUser(string firstName, string lastName, string password, string email, uint regX, uint regY)
         {
             string md5PasswdHash = Util.Md5Hash(Util.Md5Hash(password) + ":" + String.Empty);
 
-            m_userServiceAdmin.AddUserProfile(firstName, lastName, md5PasswdHash, regX, regY);
+            m_userServiceAdmin.AddUserProfile(firstName, lastName, md5PasswdHash, email, regX, regY);
             UserProfileData userProf = UserService.GetUserProfile(firstName, lastName);
             if (userProf == null)
             {
@@ -276,11 +277,22 @@ namespace OpenSim.Framework.Communications
             }
         }
 
-        public UUID AddUser(string firstName, string lastName, string password, uint regX, uint regY, UUID SetUUID)
+        /// <summary>
+        /// Adds the user.
+        /// </summary>
+        /// <param name="firstName">The first name.</param>
+        /// <param name="lastName">The last name.</param>
+        /// <param name="password">The password.</param>
+        /// <param name="email">The email.</param>
+        /// <param name="regX">The reg X.</param>
+        /// <param name="regY">The reg Y.</param>
+        /// <param name="SetUUID">The set UUID.</param>
+        /// <returns></returns>
+        public UUID AddUser(string firstName, string lastName, string password, string email, uint regX, uint regY, UUID SetUUID)
         {
             string md5PasswdHash = Util.Md5Hash(Util.Md5Hash(password) + ":" + String.Empty);
 
-            m_userServiceAdmin.AddUserProfile(firstName, lastName, md5PasswdHash, regX, regY, SetUUID);
+            m_userServiceAdmin.AddUserProfile(firstName, lastName, md5PasswdHash, email, regX, regY, SetUUID);
             UserProfileData userProf = UserService.GetUserProfile(firstName, lastName);
             if (userProf == null)
             {
diff --git a/OpenSim/Framework/Communications/IUserService.cs b/OpenSim/Framework/Communications/IUserService.cs
index 50c9917..178b5a0 100644
--- a/OpenSim/Framework/Communications/IUserService.cs
+++ b/OpenSim/Framework/Communications/IUserService.cs
@@ -35,15 +35,15 @@ namespace OpenSim.Framework.Communications
         /// <summary>
         /// Loads a user profile by name
         /// </summary>
-        /// <param name="fname">First name</param>
-        /// <param name="lname">Last name</param>
+        /// <param name="firstName">First name</param>
+        /// <param name="lastName">Last name</param>
         /// <returns>A user profile.  Returns null if no profile is found</returns>
         UserProfileData GetUserProfile(string firstName, string lastName);
 
         /// <summary>
         /// Loads a user profile from a database by UUID
         /// </summary>
-        /// <param name="uuid">The target UUID</param>
+        /// <param name="userId">The target UUID</param>
         /// <returns>A user profile.  Returns null if no user profile is found.</returns>
         UserProfileData GetUserProfile(UUID userId);
 
@@ -90,8 +90,8 @@ namespace OpenSim.Framework.Communications
         /// <summary>
         /// Logs off a user on the user server
         /// </summary>
-        /// <param name="UserID">UUID of the user</param>
-        /// <param name="regionID">UUID of the Region</param>
+        /// <param name="userid">UUID of the user</param>
+        /// <param name="regionid">UUID of the Region</param>
         /// <param name="regionhandle">regionhandle</param>
         /// <param name="position">final position</param>
         /// <param name="lookat">final lookat</param>
@@ -100,8 +100,8 @@ namespace OpenSim.Framework.Communications
         /// <summary>
         /// Logs off a user on the user server (deprecated as of 2008-08-27)
         /// </summary>
-        /// <param name="UserID">UUID of the user</param>
-        /// <param name="regionID">UUID of the Region</param>
+        /// <param name="userid">UUID of the user</param>
+        /// <param name="regionid">UUID of the Region</param>
         /// <param name="regionhandle">regionhandle</param>
         /// <param name="posx">final position x</param>
         /// <param name="posy">final position y</param>
@@ -118,7 +118,8 @@ namespace OpenSim.Framework.Communications
         ///  Updates the current region the User is in
         /// </summary>
         /// <param name="avatarid">User Region the Avatar is IN</param>
-        /// <param name="retionuuid">User Region the Avatar is IN</param>
+        /// <param name="regionuuid">User Region the Avatar is IN</param>
+        /// <param name="regionhandle">User region handle</param>
         void UpdateUserCurrentRegion(UUID avatarid, UUID regionuuid, ulong regionhandle);
 
         /// <summary>
diff --git a/OpenSim/Framework/Communications/IUserServiceAdmin.cs b/OpenSim/Framework/Communications/IUserServiceAdmin.cs
index 169385f..a120add 100644
--- a/OpenSim/Framework/Communications/IUserServiceAdmin.cs
+++ b/OpenSim/Framework/Communications/IUserServiceAdmin.cs
@@ -30,15 +30,31 @@ using OpenMetaverse;
 namespace OpenSim.Framework.Communications
 {
     public interface IUserServiceAdmin
-    {  
+    {
         /// <summary>
         /// Add a new user profile
         /// </summary>
-        /// <param name="user"></param>
-        UUID AddUserProfile(string firstName, string lastName, string pass, uint regX, uint regY);
+        /// <param name="firstName">The first name.</param>
+        /// <param name="lastName">The last name.</param>
+        /// <param name="pass">password of avatar</param>
+        /// <param name="email">email of user</param>
+        /// <param name="regX">region X.</param>
+        /// <param name="regY">region Y.</param>
+        /// <returns></returns>
+        UUID AddUserProfile(string firstName, string lastName, string pass, string email, uint regX, uint regY);
 
-        // Adds one for allowing setting of the UUID from modules..   SHOULD ONLY BE USED in very special circumstances!
-        UUID AddUserProfile(string firstName, string lastName, string pass, uint regX, uint regY, UUID setUUID);
+        /// <summary>
+        /// Adds one for allowing setting of the UUID from modules..   SHOULD ONLY BE USED in very special circumstances!
+        /// </summary>
+        /// <param name="firstName">The first name.</param>
+        /// <param name="lastName">The last name.</param>
+        /// <param name="pass">password of avatar</param>
+        /// <param name="email">email of user</param>
+        /// <param name="regX">region X.</param>
+        /// <param name="regY">region Y.</param>
+        /// <param name="setUUID">The set UUID.</param>
+        /// <returns></returns>
+        UUID AddUserProfile(string firstName, string lastName, string pass, string email, uint regX, uint regY, UUID setUUID);
 
         /// <summary>
         /// Reset a user password
diff --git a/OpenSim/Framework/Communications/UserManagerBase.cs b/OpenSim/Framework/Communications/UserManagerBase.cs
index 4b5d2bb..bc1a593 100644
--- a/OpenSim/Framework/Communications/UserManagerBase.cs
+++ b/OpenSim/Framework/Communications/UserManagerBase.cs
@@ -54,6 +54,7 @@ namespace OpenSim.Framework.Communications
         /// Adds a new user server plugin - user servers will be requested in the order they were loaded.
         /// </summary>
         /// <param name="provider">The filename to the user server plugin DLL</param>
+        /// <param name="connect"></param>
         public void AddPlugin(string provider, string connect)
         {
             PluginLoader<IUserDataPlugin> loader =
@@ -580,15 +581,32 @@ namespace OpenSim.Framework.Communications
         #endregion
 
         /// <summary>
-        ///
+        /// Add a new user profile
         /// </summary>
-        /// <param name="user"></param>
-        public UUID AddUserProfile(string firstName, string lastName, string pass, uint regX, uint regY)
+        /// <param name="firstName">first name.</param>
+        /// <param name="lastName">last name.</param>
+        /// <param name="pass">password</param>
+        /// <param name="email">email.</param>
+        /// <param name="regX">location X.</param>
+        /// <param name="regY">location Y.</param>
+        /// <returns></returns>
+        public UUID AddUserProfile(string firstName, string lastName, string pass, string email, uint regX, uint regY)
         {
-            return AddUserProfile(firstName, lastName, pass, regX, regY, UUID.Random());
+            return AddUserProfile(firstName, lastName, pass, email, regX, regY, UUID.Random());
         }
 
-        public UUID AddUserProfile(string firstName, string lastName, string pass, uint regX, uint regY, UUID SetUUID)
+        /// <summary>
+        /// Adds the user profile.
+        /// </summary>
+        /// <param name="firstName">first name.</param>
+        /// <param name="lastName">last name.</param>
+        /// <param name="pass">password</param>
+        /// <param name="email">email.</param>
+        /// <param name="regX">location X.</param>
+        /// <param name="regY">location Y.</param>
+        /// <param name="SetUUID">UUID of avatar.</param>
+        /// <returns></returns>
+        public UUID AddUserProfile(string firstName, string lastName, string pass, string email, uint regX, uint regY, UUID SetUUID)
         {
             UserProfileData user = new UserProfileData();
             user.HomeLocation = new Vector3(128, 128, 100);
@@ -601,6 +619,7 @@ namespace OpenSim.Framework.Communications
             user.HomeLookAt = new Vector3(100, 100, 100);
             user.HomeRegionX = regX;
             user.HomeRegionY = regY;
+            user.Email = email;
 
             foreach (IUserDataPlugin plugin in _plugins)
             {