/// <summary>Send bulkmail to all recipients according to settings</summary>
/// <returns>Number of emails sent, null.integer if not determinable</returns>
/// <remarks>Detailed status report is sent by email to sending user</remarks>
public int SendMails()
{
EnsureNotDisposed();
int recipients = 0;
int messagesSent = 0;
int errors = 0;
try
{
//send to recipients
string body = _body;
if (BodyFormat == MailFormat.Html) //Add Base Href for any images inserted in to the email.
{
var host = PortalAlias.Contains("/") ? PortalAlias.Substring(0, PortalAlias.IndexOf('/')) : PortalAlias;
body = "<html><head><base href='http://" + host + "'><title>" + Subject + "</title></head><body>" + body + "</body></html>";
}
string subject = Subject;
string startedAt = DateTime.Now.ToString(CultureInfo.InvariantCulture);
bool replaceTokens = !SuppressTokenReplace && (_tokenReplace.ContainsTokens(Subject) || _tokenReplace.ContainsTokens(_body));
bool individualSubj = false;
bool individualBody = false;
var mailErrors = new StringBuilder();
var mailRecipients = new StringBuilder();
switch (AddressMethod)
{
case AddressMethods.Send_TO:
case AddressMethods.Send_Relay:
//optimization:
if (replaceTokens)
{
individualBody = (_tokenReplace.Cacheability(_body) == CacheLevel.notCacheable);
individualSubj = (_tokenReplace.Cacheability(Subject) == CacheLevel.notCacheable);
if (!individualBody)
{
body = _tokenReplace.ReplaceEnvironmentTokens(body);
}
if (!individualSubj)
{
subject = _tokenReplace.ReplaceEnvironmentTokens(subject);
}
}
foreach (UserInfo user in Recipients())
{
recipients += 1;
if (individualBody || individualSubj)
{
_tokenReplace.User = user;
_tokenReplace.AccessingUser = user;
if (individualBody)
{
body = _tokenReplace.ReplaceEnvironmentTokens(_body);
}
if (individualSubj)
{
subject = _tokenReplace.ReplaceEnvironmentTokens(Subject);
}
}
string recipient = AddressMethod == AddressMethods.Send_TO ? user.Email : RelayEmailAddress;
string mailError = Mail.SendMail(_sendingUser.Email,
recipient,
"",
"",
ReplyTo.Email,
Priority,
subject,
BodyFormat,
Encoding.UTF8,
body,
LoadAttachments(),
_smtpServer,
_smtpAuthenticationMethod,
_smtpUsername,
_smtpPassword,
_smtpEnableSSL);
if (!string.IsNullOrEmpty(mailError))
{
mailErrors.Append(mailError);
mailErrors.AppendLine();
errors += 1;
}
else
{
mailRecipients.Append(user.Email);
mailRecipients.Append(BodyFormat == MailFormat.Html ? "<br />" : Environment.NewLine);
messagesSent += 1;
}
}
break;
case AddressMethods.Send_BCC:
var distributionList = new StringBuilder();
messagesSent = Null.NullInteger;
foreach (UserInfo user in Recipients())
{
recipients += 1;
distributionList.Append(user.Email + "; ");
mailRecipients.Append(user.Email);
mailRecipients.Append(BodyFormat == MailFormat.Html ? "<br />" : Environment.NewLine);
}
if (distributionList.Length > 2)
{
if (replaceTokens)
{
//no access to User properties possible!
var tr = new TokenReplace(Scope.Configuration);
body = tr.ReplaceEnvironmentTokens(_body);
subject = tr.ReplaceEnvironmentTokens(Subject);
}
else
{
body = _body;
subject = Subject;
}
string mailError = Mail.SendMail(_sendingUser.Email,
_sendingUser.Email,
"",
distributionList.ToString(0, distributionList.Length - 2),
ReplyTo.Email,
Priority,
subject,
BodyFormat,
Encoding.UTF8,
body,
LoadAttachments(),
_smtpServer,
_smtpAuthenticationMethod,
_smtpUsername,
_smtpPassword,
_smtpEnableSSL);
if (mailError == string.Empty)
{
messagesSent = 1;
}
else
{
mailErrors.Append(mailError);
errors += 1;
}
}
break;
}
if (mailErrors.Length > 0)
{
mailRecipients = new StringBuilder();
}
SendConfirmationMail(recipients, messagesSent, errors, subject, startedAt, mailErrors.ToString(), mailRecipients.ToString());
}
catch (Exception exc) //send mail failure
{
Logger.Error(exc);
Debug.Write(exc.Message);
}
finally
{
foreach (var attachment in _attachments)
{
attachment.Dispose();
}
}
return(messagesSent);
}