ildar-shaymukhametov_grandnode-refactorings/Grand.Services/Messages/IEmailSender.cs
using Grand.Domain.Messages;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Grand.Services.Messages
{
    /// <summary>
    /// Email sender
    /// </summary>
    public partial interface IEmailSender
    {
        /// <summary>
        /// Sends an email
        /// </summary>
        /// <param name="emailAccount">Email account to use</param>
        /// <param name="subject">Subject</param>
        /// <param name="body">Body</param>
        /// <param name="fromAddress">From address</param>
        /// <param name="fromName">From display name</param>
        /// <param name="toAddress">To address</param>
        /// <param name="toName">To display name</param>
        /// <param name="replyToAddress">ReplyTo address</param>
        /// <param name="replyToName">ReplyTo display name</param>
        /// <param name="bcc">BCC addresses list</param>
        /// <param name="cc">CC addresses ist</param>
        /// <param name="attachmentFilePath">Attachment file path</param>
        /// <param name="attachmentFileName">Attachment file name. If specified, then this file name will be sent to a recipient. Otherwise, "AttachmentFilePath" name will be used.</param>
        /// <param name="attachedDownloads">Attachments download ID (another attachedments)</param>
        Task SendEmail(EmailAccount emailAccount, string subject, string body,
            string fromAddress, string fromName, string toAddress, string toName,
             string replyToAddress = null, string replyToName = null,
            IEnumerable<string> bcc = null, IEnumerable<string> cc = null,
            string attachmentFilePath = null, string attachmentFileName = null,
            IEnumerable<string> attachedDownloads = null);
    }
}
