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‎Generation.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Email4
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{
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/// <summary>
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/// Methods for generating an email. By Jeremy Coulson.
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/// </summary>
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public class Generation
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{
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/// <summary>
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/// Sends an email with more options.
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/// </summary>
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/// <param name="strFrom">The from field. Required.</param>
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/// <param name="strTo">Recipients. Separate with comma. At least one is required.</param>
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/// <param name="strCC">CC recipients. Separate with comma. Optional; use null or Nothing if blank.</param>
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/// <param name="strAttachments">Attachments. Separate with comma. Optional; use null or Nothing if blank.</param>
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/// <param name="strSubject">The subject of the message. Required.</param>
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/// <param name="strBody">The body of the message. Required.</param>
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/// <param name="strReplyTo">Reply recipient. Only list one. On IIS 7, this requires integreated pipeline mode. Optional; use null or Nothing if blank.</param>
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/// <param name="boolBodyHtml">Is the body HTML or not? Required.</param>
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/// <param name="strMailServer">The SMTP client to send this message. Required.</param>
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/// <param name="strUser">The SMTP user. Required.</param>
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/// <param name="strPass">The SMPT password. Required.</param>
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/// <param name="boolSsl">True to connect with SSL. False to connect without SSL. Required.</param>
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/// <returns>Retuns success or exception.</returns>
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public string SendEmail(string strFrom, string strTo, string strCC, string strAttachments, string strSubject, string strBody, string strReplyTo, bool boolBodyHtml, string strMailServer, string strUser, string strPass, bool boolSsl)
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{
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// String to hold result message.
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string strEmailSuccess = String.Empty;
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try
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{
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using (System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage())
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{
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msg.IsBodyHtml = boolBodyHtml;
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msg.From = new System.Net.Mail.MailAddress(strFrom);
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// Split the To string into an array and add each address.
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string[] strToArray = strTo.Split(',');
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foreach (string strToRecipient in strToArray)
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{
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msg.To.Add(new System.Net.Mail.MailAddress(strToRecipient));
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}
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if ((strCC != null) && (strCC != String.Empty) && (strCC.Length > 0))
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{
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// Split the CC string into an array and add each address.
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string[] strCCArray = strCC.Split(',');
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foreach (string strCCRecipient in strCCArray)
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{
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msg.CC.Add(new System.Net.Mail.MailAddress(strCCRecipient));
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}
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}
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msg.Subject = strSubject;
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msg.Body = strBody;
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if ((strReplyTo != null) && (strReplyTo != String.Empty) && (strReplyTo.Length > 0))
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{
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msg.ReplyTo = new System.Net.Mail.MailAddress(strReplyTo);
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}
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if ((strAttachments != null) && (strAttachments != String.Empty) && (strAttachments.Length > 0))
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{
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// Split the attachments string into an array and add each attachment.
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string[] strAttachmentArray = strAttachments.Split(',');
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foreach (string strAttachment in strAttachmentArray)
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{
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System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment(strAttachment);
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msg.Attachments.Add(attachment);
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}
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}
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using (System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(strMailServer))
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{
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System.Net.NetworkCredential user = new System.Net.NetworkCredential(strUser, strPass);
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client.Credentials = user;
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client.EnableSsl = boolSsl;
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client.Send(msg);
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}
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}
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// Success! Say so.
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strEmailSuccess = "Complex overload sent at " + System.DateTime.Now.ToString() + "!";
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}
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catch (Exception ex)
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{
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// Problem! Say so.
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strEmailSuccess = ex.ToString();
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}
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return strEmailSuccess;
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}
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/// <summary>
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/// Sends an email with fewer options. SMTP server info comes from Web.config.
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/// </summary>
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/// <param name="strFrom">The from field. Required.</param>
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/// <param name="strTo">Recipients. Separate with comma. Required.</param>
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/// <param name="strCC">CC recipients. Separate with comma. Optional; use null or Nothing if blank.</param>
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/// <param name="strAttachments">Attachments. Separate with comma. Optional; use null or Nothing if blank.</param>
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/// <param name="strSubject">The subject of the message. Required.</param>
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/// <param name="strBody">The body of the message. Required.</param>
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/// <returns>Retuns success or exception.</returns>
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public string SendEmail(string strFrom, string strTo, string strCC, string strAttachments, string strSubject, string strBody)
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{
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// Create string to hold success message.
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string strEmailSuccess = String.Empty;
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try
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{
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using (System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage())
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{
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msg.IsBodyHtml = false;
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msg.From = new System.Net.Mail.MailAddress(strFrom);
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// Split the To string into an array and add each address.
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string[] strToArray = strTo.Split(',');
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foreach (string strToRecipient in strToArray)
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{
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msg.To.Add(new System.Net.Mail.MailAddress(strToRecipient));
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}
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if ((strCC != null) && (strCC != String.Empty) && (strCC.Length > 0))
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{
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// Split the CC string into an array and add each address.
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string[] strCCArray = strCC.Split(',');
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foreach (string strCCRecipient in strCCArray)
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{
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msg.CC.Add(new System.Net.Mail.MailAddress(strCCRecipient));
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}
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}
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msg.Subject = strSubject;
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msg.Body = strBody;
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if ((strAttachments != null) && (strAttachments != String.Empty) && (strAttachments.Length > 0))
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{
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// Split the attachments string into an array and add each attachment.
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string[] strAttachmentArray = strAttachments.Split(',');
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foreach (string strAttachment in strAttachmentArray)
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{
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System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment(strAttachment);
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msg.Attachments.Add(attachment);
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}
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}
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using (System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(System.Web.Configuration.WebConfigurationManager.AppSettings["GlobalSMTP"].ToString()))
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{
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System.Net.NetworkCredential user = new System.Net.NetworkCredential(System.Web.Configuration.WebConfigurationManager.AppSettings["GlobalSMTPUser"].ToString(), System.Web.Configuration.WebConfigurationManager.AppSettings["GlobalSMTPPass"].ToString());
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client.Credentials = user;
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client.EnableSsl = true;
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client.Send(msg);
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}
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strEmailSuccess = "Simple overload sent at " + System.DateTime.Now.ToString() + "!";
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}
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}
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catch (Exception ex)
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{
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strEmailSuccess = ex.ToString();
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}
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return strEmailSuccess;
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}
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}
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}

‎README.md‎

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Email Generator
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===============
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Generates emails using our internal settings here at Frederick County. Basically, the MIS programmer and I needed a way to make fast global changes to lots of applications in the event that IT staff change mail server settings. We reference this class in our C# and VB projects now instead of laboriously re-writing the same code time and again.
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Setup
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-----
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We simply add this to any project which needs to create an email. SMTP settings are stored in a global config file and are referenced in this code. There are two overloads of the SendEmail method: one generates an email with fewer options than the other. This is really arbitrary and only done for our own internal ease of plugging the code in different places. Since the SendEmail method returns a string, we can get a success message:
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// Instantiate a mail object.
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Email4.Generation mail = new Email4.Generation();
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// Send. Set a string to the returned result.
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string strEmailResult = mail.SendEmail(strFrom, strTo, strCC, strAttachments, strSubject, strBody, strReplyTo, boolBodyHtml, strMailServer, strUser, strPass, boolSsl);
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// Display the result on the page (in this case, a literal.)
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litSuccess.Text = strEmailResult;

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