How to send email using ASP .NET

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.NET

HTML

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net.Mail;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Web;

namespace ProjectBuzzUtils
{
    public static class EmailHelper
    {
        public static void SendEmail(string from, string toEmails, string ccEmails, string subject, object data, string templateType)
        {
            Dictionary<string, string> dataList = ExtractClassData(data);
            string body = CreateEmailBody(dataList, templateType);
            SendHtmlFormattedEmail(from, toEmails, ccEmails, subject, body);
        }
        private static string CreateEmailBody(Dictionary<string, string> replaceElement, string templateType)
        {
            string body = string.Empty;
            var templatePath = "~/Views/EmailTemplate/" + templateType + ".cshtml";
            using (StreamReader reader = new StreamReader(HttpContext.Current.Server.MapPath(templatePath)))
            {
                body = reader.ReadToEnd();
                foreach (var pair in replaceElement)
                {
                    body = body.Replace(pair.Key, pair.Value);
                }
            }
            return body;
        }

        private static void SendHtmlFormattedEmail(string from, string toEmails, string ccEmails, string subject, string body)
        {
            string fromEmail = ConfigurationManager.AppSettings["FromEmail"].ToString();
            string host = ConfigurationManager.AppSettings["Host"].ToString();
            SmtpClient smtpClient = new SmtpClient();
            int tryAgain = 10;
            bool failed = false;
            do
            {
                try
                {
                    failed = false;
                    using (MailMessage mailMessage = new MailMessage())
                    {
                        MailMessage mm = new MailMessage();
                        mm.Body = body;
                        mm.IsBodyHtml = true;
                        if (!string.IsNullOrEmpty(toEmails))
                        {
                            foreach (string email in toEmails.Split(','))
                            {
                                mm.To.Add(new MailAddress(email));
                            }
                        }
                        if (!string.IsNullOrEmpty(ccEmails))
                        {
                            foreach (string email in ccEmails.Split(','))
                            {
                                mm.CC.Add(new MailAddress(email));
                            }
                        }
                        mm.From = new MailAddress(from);
                        mm.Subject = subject;

                        smtpClient.Host = host;
                        smtpClient.Send(mm);
                    }
                }
                catch (Exception ex) // I would avoid catching all exceptions equally, but ymmv
                {

                    failed = true;
                    tryAgain--;
                    var exception = ex.Message.ToString();
                    smtpClient.Dispose();
                    //Other code for saving exception message to a log.
                }
            } while (failed && tryAgain != 0);
        }

        public static Dictionary<string, string> ExtractClassData(object o)
        {
            if (o == null)
                return new Dictionary<string, string>();

            var type = o.GetType();
            var propertyInfos = type.GetProperties()
                .Select(p => new
                {
                    Name = p.GetCustomAttribute<DisplayAttribute>() != null ? p.GetCustomAttribute<DisplayAttribute>().Name : p.Name,
                    FormatAttribute = p.GetCustomAttribute<DisplayFormatAttribute>(),
                    Property = p,
                    Type = p.PropertyType,
                    Value = p.GetValue(o),
                });

            var dictionary = new Dictionary<string, string>();
            foreach (var property in propertyInfos.Where(p => p.Value != null))
            {
                if (property.Value != null)
                {
                    dictionary.Add("$$$" + property.Name + "$$$", FormatValue(property.Value, property.Type, property.FormatAttribute));
                }
            }
            dictionary.Add("$$$Date_String$$$", DateTime.UtcNow.AddHours(5.5).ToString());
            return dictionary;
        }
        private static string FormatValue(object value, Type type, DisplayFormatAttribute format)
        {
            if (value == null)
                return null;
            if (type.IsEnum || (Nullable.GetUnderlyingType(type) != null && Nullable.GetUnderlyingType(type).IsEnum))
            {
                if (!Enum.IsDefined(type, value))
                    return value.ToString();

                var display = type.GetField(value.ToString()).GetCustomAttribute<DisplayAttribute>();
                if (display != null)
                    return display.Name;
                return value.ToString();
            }
            if (type == typeof(string))
                return (string)value;

            if (format != null)
                return string.Format(format.DataFormatString, value);
            return value.ToString();
        }
    }
}

What I have tried:

/* -------------------------------------
GLOBAL RESETS
------------------------------------- */
img {
border: none;
-ms-interpolation-mode: bicubic;
max-width: 100%;
}

body {
background-color: #f6f6f6;
font-family: sans-serif;
-webkit-font-smoothing: antialiased;
font-size: 14px;
line-height: 1.4;
margin: 0;
padding: 0;
-ms-text-size-adjust: 100%;
-webkit-text-size-adjust: 100%;
}

table {
border-collapse: separate;
mso-table-lspace: 2pt;
mso-table-rspace: 2pt;
width: 100%;
}

table td {
font-family: sans-serif;
font-size: 14px;
vertical-align: top;
}

table {
border: medium;
border-color: burlywood;
}

td tr {
border: medium;
border-color: Highlight;
}
/* -------------------------------------
BODY & CONTAINER
------------------------------------- */
.body {
background-color: #f6f6f6;
width: 100%;
}
/* Set a max-width, and make it display as block so it will automatically stretch to that width, but will also shrink down on a phone or something */
.container {
display: block;
Margin: 0 auto !important;
/* makes it centered */
max-width: 580px;
padding: 10px;
width: 580px;
}
/* This should also be a block element, so that it will fill 100% of the .container */
.content {
box-sizing: border-box;
display: block;
Margin: 0 auto;
max-width: 900px;
padding: 6px;
}
/* -------------------------------------
HEADER, FOOTER, MAIN
------------------------------------- */
.main {
background: #ffffff;
border-radius: 3px;
width: 100%;
}

.wrapper {
box-sizing: border-box;
padding: 20px;
}

.content-block {
padding-bottom: 10px;
padding-top: 10px;
}

.footer {
clear: both;
Margin-top: 10px;
text-align: center;
width: 100%;
}

.footer td,
.footer p,
.footer span,
.footer a {
color: #999999;
font-size: 12px;
text-align: center;
}
/* -------------------------------------
TYPOGRAPHY
------------------------------------- */
h1,
h2,
h3,
h4 {
color: #000000;
font-family: sans-serif;
font-weight: 400;
line-height: 1.4;
margin: 0;
Margin-bottom: 20px;
}

h1 {
font-size: 35px;
font-weight: 300;
text-align: center;
text-transform: capitalize;
}

p,
ul,
ol {
font-family: sans-serif;
font-size: 14px;
font-weight: normal;
margin: 0;
Margin-bottom: 15px;
}

p li,
ul li,
ol li {
list-style-position: inside;
margin-left: 5px;
}

a {
color: #3498db;
text-decoration: underline;
}


/* -------------------------------------
OTHER STYLES THAT MIGHT BE USEFUL
------------------------------------- */
.last {
margin-bottom: 0;
}

.first {
margin-top: 0;
}

.align-center {
text-align: center;
}

.align-right {
text-align: right;
}

.align-left {
text-align: left;
}

.clear {
clear: both;
}

.mt0 {
margin-top: 0;
}

.mb0 {
margin-bottom: 0;
}

.preheader {
color: transparent;
display: none;
height: 0;
max-height: 0;
max-width: 0;
opacity: 0;
overflow: hidden;
mso-hide: all;
visibility: hidden;
width: 0;
}

.powered-by a {
text-decoration: none;
}

hr {
border: 0;
border-bottom: 1px solid #f6f6f6;
Margin: 20px 0;
}





 



Thank you for the feedback !

Project Buzz User Feedback
$$$Date$$$






Hi, $$$Employee_Name$$$
Thank you for the feedback !






Employee Id : $$$Employee_Id$$$
Employee Name : $$$Employee_Name$$$
Employee Code : $$$Employee_Code$$$
Query Type : $$$QueryType$$$
Message : $$$Message$$$









Regards,


Project Buzz Work Flow and Production














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