Use CDO. Message in ASP to send emails requiring authentication

Set objmail = server. Createobject ("CDO. Message ")
Set objconfig = server. Createobject ("CDO. Configuration ")
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/smtpserverport") = 25
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/smtpserver") = "smtp.mail.com"
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate") = 1
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/sendusername") = "username"
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/sendpassword") = "password"
Objconfig. Fields ("http://schemas.microsoft.com/cdo/configuration/languagecode") = "0x0804"
Objconfig. Fields. Update ()
Set objmail. Configuration = objconfig
Objmail. Subject = "mail subject"
Objmail. From = CHR (34) & "name" & CHR (34) & "username@mail.com "
Objmail. To = "gbhglxs@customs.gov.cn"
Objmail. htmlbody = "mail body"
Objmail. addattachment (http: // xxxxxx/xxxx. XXX) 'or any other correct URL, including HTTP, FTP, and file.
Objmail. Send
Response. Write "email sent successfully! "
It is worth noting that sendusername must be consistent with from.