Description: For more information, please refer to Jmail description, I think this is enough. Please don't ask me because of the problem, because of the server reasons, I just use cdonts to send traffic, Sorry ... (1) Body (letter body): string, jmail.body = "This can be the form of the user, please You can be taken from from. "(2) Charset (character set, default" US-ASCII "): Strings, jmail.charset =" US-ASCII "(3) ContentTransferencoding: String Specifies the code when the content is specified Method, the default is "quoted-printable" such as: jmail.contentTransferencoding = "base64" (4) ContentType (the default is "text / plain": String If you send mail in HTML format, change to "text / html" can be. Such as: jmail.conteType = "text / html" (5) eNCoding: String Set attachment encoding mode (default is "base64). You can choose to use" Base64 "," uuencode "or" quoted-printable ", such as: Jmail.Encoding = "Base64" (6) log (Jmail created log, prerequisite Loging property is set to true, see below): String, such as: Log information using the Response.write (Jmail.log) statement. (7) Logging (Whether to use a log): Booler such as: jmail.logging = true (8) Recipients: String read-only properties, return all recipients such as: Response.Write (" Jmail. Recipients "); 9) Replyto (specify another reply address): Strings, such as: jmail.replyto = "anyother@mailhost.com" (10) sender (sender's email address): string such as: jmail.sender = "sender @ Mailhost.com "(11) Sendername (sender's name): String such as: jmail.sendername =" 1 gram "(12) ServerAddress (address of the mail server): String you can specify multiple servers, divide Number point. You can specify the port number. If ServerAddress keeps blank, Jmail will try a remote mail server and then send it to the server.