C # general class for simple mass mailing,

C # general class for simple mass mailing,

1 public static class Email 2 {3 /// <summary> 4 /// sender 5 /// </summary> 6 public static string mailFrom {get; set ;} 7 8 /// <summary> 9 /// recipient 10 /// </summary> 11 public static string [] mailToArray {get; set ;} 12 13 /// <summary> 14 /// CC 15 /// </summary> 16 public static string [] mailCcArray {get; set ;} 17 18 /// <summary> 19 // Title 20 /// </summary> 21 public static string mailSubjec T {get; set;} 22 23 // <summary> 24 // body 25 /// </summary> 26 public static string mailBody {get; set ;} 27 28 /// <summary> 29 // sender password 30 /// </summary> 31 public static string mailPwd {get; set ;} 32 33 // <summary> 34 // SMTP Mail Server 35 /// </summary> 36 public static string host {get; set ;} 37 38 // <summary> 39 // mail server port 40 /// </summary> 41 public static int port {get; set;} 4 2 43 // <summary> 44 // whether the body is in html format. 45 // </summary> 46 public static bool isbodyHtml {get; set ;} 47 48 /// <summary> 49 // attachment 50 /// </summary> 51 public static string [] attachmentsPath {get; set ;} 52 53 public static bool Send () 54 {55 // use the specified email address to initialize MailAddress instance 56 MailAddress maddr = new MailAddress (mailFrom ); 57 58 // initialize MailMessage instance 59 MailMessage myMail = new MailMessage (); 60 61/ /Add email address 62 to the recipient address set if (mailToArray! = Null) 63 {64 for (int I = 0; I <mailToArray. length; I ++) 65 {66 myMail. to. add (mailToArray [I]. toString (); 67} 68} 69 70 // Add email address 71 if (mailCcArray! = Null) 72 {73 for (int I = 0; I <mailCcArray. length; I ++) 74 {75 myMail. CC. add (mailCcArray [I]. toString (); 76} 77} 78 // sender address 79 myMail. from = maddr; 80 81 // email title 82 myMail. subject = mailSubject; 83 84 // The Subject content of the email is encoded as 85 myMail. subjectEncoding = Encoding. UTF8; 86 87 // email body 88 myMail. body = mailBody; 89 90 // email Body code 91 myMail. bodyEncoding = Encoding. default; 92 93 // email priority 94 myMail. P Riority = MailPriority. high; 95 96 // email is not in html Format 97 myMail. isBodyHtml = isbodyHtml; 98 99 // Add Attachment 100 try101 {102 if (attachmentsPath! = Null & attachmentsPath. length> 0) 103 {104 Attachment attachFile = null; 105 foreach (string path in attachmentsPath) 106 {107 attachFile = new Attachment (path); 108 myMail. attachments. add (attachFile); 109} 110} 111} 112 catch (Exception err) 113 {114 throw new Exception ("error when adding attachment:" + err. message); 115} 116 117 SmtpClient client = new SmtpClient (); 118 119 // specify the sender's email address and password to verify the sender's identity 120 client. credentials = new NetworkCredential (mailFrom, mailPwd); 121 122 // set SMTP Mail Server 123 // client. host = "smtp. "+ myMail. from. host; 124 client. host = host; 125 126 // SMTP mail server port 127 client. port = port; 128 129 // whether to use secure connection 130 // client. enableSsl = true; 131 132 trypattern {134 // send the email to the SMTP Mail Server 135 client. send (myMail); 136 return true; 137} 138 catch (SmtpException ex) 139 {140 string msg = ex. message; 141 return false; 142} 143 144}