/// <summary>
/// Create the message to send
/// </summary>
/// <param name="mailMetadata">Mail metadata</param>
/// <returns>Message to send</returns>
/// <exception cref="FileNotFoundException">An attachment does not exist</exception>
private MimeMessage CreateMessage(MailMetadata mailMetadata)
{
var mailMessage = new MimeMessage();
mailMessage.From.Add(
new MailboxAddress(
this.MailConfiguration.SendingDisplayName,
this.MailConfiguration.SendingEmail));
mailMessage.To.AddRange(mailMetadata.MainReceivers);
mailMessage.Cc.AddRange(mailMetadata.SecondaryReceivers);
mailMessage.Bcc.AddRange(mailMetadata.HiddenReceivers);
mailMessage.Subject = mailMetadata.MailSubject;
//Create the body
var bodyBuilder = new BodyBuilder();
if (mailMetadata.ContentFormat == TextFormat.Text)
{
bodyBuilder.TextBody = mailMetadata.MailContent;
}
else
{
bodyBuilder.HtmlBody = mailMetadata.MailContent;
}
//Add attachments
foreach (var attachment in mailMetadata.Attachments)
{
if (!attachment.Exists)
{
throw new FileNotFoundException($"The file {attachment.Name} does not exist");
}
bodyBuilder
.Attachments
.Add(attachment.Name, attachment.OpenRead());
}
mailMessage.Body = bodyBuilder.ToMessageBody();
mailMessage.Date = new DateTimeOffset();
mailMessage.Importance = mailMetadata.MailImportance;
mailMessage.Priority = mailMetadata.MailPriority;
return(mailMessage);
}
/// <summary>
/// Send an email
/// </summary>
/// <returns>Sending result</returns>
public async Task <MailSendingResult> SendAsync(MailMetadata mailMetadata)
{
//Create the message
return(await this.SendAsync(this.CreateMessage(mailMetadata)));
}