My own Mailinator in 5 minutes

using System;

namespace LumiSoft.Net.Mime
{
    /// <summary>
    /// Rfc 2822 3.4 Address class. This class is base class for MailboxAddress and GroupAddress.
    /// </summary>
    [Obsolete("See LumiSoft.Net.MIME or LumiSoft.Net.Mail namepaces for replacement.")]
    public abstract class Address
    {
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="groupAddress">Spcified is address is group or mailbox address.</param>
        protected Address(bool groupAddress)
        {
            IsGroupAddress = groupAddress;
        }

        #region Properties Implementation

        /// <summary>
        /// Gets if address is group address or mailbox address.
        /// </summary>
        public bool IsGroupAddress { get; private set; }


        /// <summary>
        /// Gets or sets owner of this address.
        /// </summary>
        internal object Owner { get; set; }

        #endregion
    }
}