Send scheduled Reminder/Alerts by email in SharePoint

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Xml.Serialization;
using Mullivan.Serialization;
using Mullivan.Cryptography;

namespace Mullivan.Security
{
    public class SerializableCredential : IXmlSerializable
    {
        private string _userName = string.Empty;
        private string _password = string.Empty;
        private string _domain = string.Empty;
        private const string _INITVECT = "noau8g348OIF@E*00(_!)@(*#&$303";
        private const string _ENCKEY = "alkjsd*(@()*_)(*$poqawjqIH@IUH";
        
        public string UserName
        {
            get
            {
                return _userName;
            }
            set
            {
                _userName = value;
            }
        }

        public string Password
        {
            get
            {
                return _password;
            }
            set
            {
                _password = value;
            }
        }

        public string Domain
        {
            get
            {
                return _domain;
            }
            set
            {
                _domain = value;
            }
        }

        public NetworkCredential GetCredential()
        {
            return new NetworkCredential(this.UserName, this.Password, this.Domain);
        }

        #region IXmlSerializable Members

        public System.Xml.Schema.XmlSchema GetSchema()
        {
            return null;
        }

        public void ReadXml(System.Xml.XmlReader reader)
        {
            if (reader.IsEmptyElement)
                return;

            reader.ReadStartElement();

            reader.ReadStartElement("UserName");
            _userName = GenericSerializer.Deserialize<string>(reader);
            reader.ReadEndElement();
            reader.ReadStartElement("Password");
            _password = Encryption.Decrypt(GenericSerializer.Deserialize<string>(reader), _INITVECT, _ENCKEY);
            reader.ReadEndElement();
            reader.ReadStartElement("Domain");
            _domain = GenericSerializer.Deserialize<string>(reader);
            reader.ReadEndElement();

            reader.ReadEndElement();
        }

        public void WriteXml(System.Xml.XmlWriter writer)
        {
            writer.WriteStartElement("UserName");
            GenericSerializer.Serialize<string>(_userName);
            writer.WriteEndElement();
            writer.WriteStartElement("Password");
            GenericSerializer.Serialize<string>(Encryption.Encrypt(_password,_INITVECT, _ENCKEY));
            writer.WriteEndElement();
            writer.WriteStartElement("Domain");
            GenericSerializer.Serialize<string>(_domain);
            writer.WriteEndElement();
        }

        #endregion
    }
}