public async Task <bool> SendMail(EmailRequestDto emailDto)
{
var message = new MimeMessage
{
Subject = emailDto.Subject,
};
/*
* if (emailDto.From != _config.Smtp.Username)
* return false;
*/
// ignore from email right now!
// TODO: may we need to handle the from email later
message.From.Add(MailboxAddress.Parse(_config.Smtp.Username));
foreach (string to in emailDto.To)
{
message.To.Add(MailboxAddress.Parse(to));
}
if (emailDto.CC != null)
{
foreach (string cc in emailDto.CC)
{
message.Cc.Add(MailboxAddress.Parse(cc));
}
}
if (emailDto.BCC != null)
{
foreach (string bcc in emailDto.BCC)
{
message.Bcc.Add(MailboxAddress.Parse(bcc));
}
}
BodyBuilder MailBodyBuilder = new () { TextBody = emailDto.Body };
// Add Attachments
List <string> Attachments = new();
if (emailDto.Attachments != null)
{
Random rand = new();
foreach (string attachmentDataURL in emailDto.Attachments)
{
string FileName = _helper.Base64ToFile(attachmentDataURL, rand);
MailBodyBuilder.Attachments.Add(FileName);
Attachments.Add(FileName);
}
}
message.Body = MailBodyBuilder.ToMessageBody();
// SMTP Setup
using (var client = new SmtpClient())
{
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
await client.ConnectAsync(_config.Smtp.Host, _config.Smtp.Port, SecureSocketOptions.StartTls);
await client.AuthenticateAsync(_config.Smtp.Username, _config.Smtp.Password);
await client.SendAsync(message);
await client.DisconnectAsync(true);
}
_helper.RemoveTempFiles(Attachments);
return(true);
}
}