public string ConvertImageToBase64String(string files)
{
string base64String = string.Empty;
string contentType = string.Empty;
if (string.IsNullOrWhiteSpace(files))
{
return(string.Empty);
}
try
{
if (!File.Exists(files))
{
throw new Exception(string.Format("File {0} does not exists", files));
}
contentType = string.Format("data:image/{0};base64,", Path.GetExtension(files).TrimStart('.').ToLower());
using (Image _image = Image.FromFile(files))
{
using (MemoryStream _mStream = new MemoryStream())
{
_image.Save(_mStream, _image.RawFormat);
byte[] _imageBytes = _mStream.ToArray();
base64String = Convert.ToBase64String(_imageBytes);
}
}
}
catch (Exception exception)
{
throw new Exception(SmtpMessage.ErrorMessage(exception));
}
return(string.Format("{0}{1}", contentType, base64String).TrimStart().TrimEnd());
}
public string Send(string server, int serverPort, bool authentication, string userName, string password, bool enableSsl)
{
string str;
try
{
this.message.From = new MailAddress(this.FromAddress, this.FromName);
this.smtpClient.Host = server;
this.smtpClient.Port = serverPort;
this.smtpClient.EnableSsl = enableSsl;
if (!authentication)
{
this.smtpClient.Credentials = null;
this.smtpClient.UseDefaultCredentials = false;
}
else if (string.IsNullOrEmpty(userName))
{
this.smtpClient.Credentials = null;
this.smtpClient.UseDefaultCredentials = true;
}
else
{
this.smtpClient.UseDefaultCredentials = false;
this.smtpClient.Credentials = new NetworkCredential(userName, password);
}
this.ConvertBase64ImagesToContentId();
this.smtpClient.Send(this.message);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddHeader(string name, string value)
{
string str;
try
{
this.message.Headers.Add(name, value);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string DeliveryNotification(DeliveryNotificationOptions value)
{
string str;
try
{
this.message.DeliveryNotificationOptions = value;
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddRecipientsWithDisplayName(string recipientname, string recipientaddress)
{
string str;
try
{
this.message.To.Add(string.Format("{0} <{1}>", recipientname, SmtpMessage.RemoveSemicolonComma(recipientaddress)));
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddRecipients(string recipients)
{
string str;
try
{
this.message.To.Add(SmtpMessage.FormatToComma(recipients));
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddAttachment(Stream attachmentStream, string attachmentName)
{
string str;
try
{
this.message.Attachments.Add(new Attachment(attachmentStream, attachmentName));
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AppendBody(string text)
{
string str;
try
{
MailMessage mailMessage = this.message;
mailMessage.Body = string.Concat(mailMessage.Body, text);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddLinkedResource(Stream resourceStream, string contentType, string contentId)
{
string str;
try
{
LinkedResource linkedResource = new LinkedResource(resourceStream, new ContentType(contentType));
linkedResource.ContentId = contentId;
linkedResources.Add(linkedResource);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddLinkedResources(string files, string contentType, string contentId)
{
string str;
if (string.IsNullOrWhiteSpace(files))
{
return(string.Empty);
}
try
{
LinkedResource linkedResource = new LinkedResource(files, new ContentType(contentType));
linkedResource.ContentId = contentId;
linkedResources.Add(linkedResource);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddAttachmentWithName(string files, string fileNames)
{
string str;
try
{
char[] chrArray = new char[] { ';' };
string[] strArrays = files.Split(chrArray);
chrArray = new char[] { ';' };
string[] strArrays1 = fileNames.Split(chrArray);
bool length = (int)strArrays.Length == (int)strArrays1.Length;
for (int i = 0; i < (int)strArrays.Length; i++)
{
string str1 = strArrays[i].Trim();
if (!string.IsNullOrEmpty(str1))
{
if ((!length ? true : string.IsNullOrWhiteSpace(strArrays1[i])))
{
this.message.Attachments.Add(new Attachment(str1));
}
else
{
AttachmentCollection attachments = this.message.Attachments;
Attachment attachment = new Attachment(str1)
{
Name = strArrays1[i].Trim()
};
attachments.Add(attachment);
}
}
}
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddAlternateView(string content, string contenttype)
{
string str;
if (string.IsNullOrWhiteSpace(content) || string.IsNullOrWhiteSpace(contenttype))
{
return(string.Empty);
}
try
{
AlternateView alternate;
if (string.IsNullOrWhiteSpace(contenttype))
{
alternate = AlternateView.CreateAlternateViewFromString(content);
}
else
{
ContentType mimeType = new System.Net.Mime.ContentType(contenttype);
alternate = AlternateView.CreateAlternateViewFromString(content, mimeType);
}
foreach (LinkedResource linkedResource in linkedResources)
{
alternate.LinkedResources.Add(linkedResource);
}
MailMessage mailMessage = this.message;
mailMessage.AlternateViews.Add(alternate);
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
public string AddAttachments(string files)
{
string str;
try
{
files = SmtpMessage.FormatToSemicolon(files);
string[] strArrays = files.Split(new char[] { ';' });
for (int i = 0; i < (int)strArrays.Length; i++)
{
string str1 = strArrays[i];
if (!string.IsNullOrEmpty(str1.Trim()))
{
this.message.Attachments.Add(new Attachment(str1));
}
}
str = "";
}
catch (Exception exception)
{
str = SmtpMessage.ErrorMessage(exception);
}
return(str);
}
