smtpclient usedefaultcredentials

# Region emailPublic static bool webmail (string host, int port, string uid, string PWD, bool SSL, string from, string to, string subject, string body){// String STR = "successful ";System. net. Mail. smtpclient mail = new system. net. Mail. smtpclient ();Mail. Host = host;Mail. Port = port;Mail. Credentials = new system. net. networkcredential (UID, PWD );Mail. enablessl = SSL;System. net. Mail. mailmessag

. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. println (" Out. Flush (); } Public void dopost (httpservletrequest req, httpservletresponse resp) throws servletexception, ioexception { Resp. setcontenttype ("text/html; charset = gb2312 "); Printwriter out = new printwriter (resp. getoutputstream ()); String from = Req. getparameter (mail_from ); String to = Req. getparameter (mail_to ); String subje

inline attachment String Attachmentpath = Environment. currentdirectory + @" \ Test.png " ;Attachment inline = New Attachment (attachmentpath );Inline. contentdisposition. inline = True ;Inline. contentdisposition. dispositiontype = Dispositiontypenames. inline;Inline. contentid = Contentid;Inline. contenttype. mediatype = " Image/PNG " ;Inline. contenttype. Name = Path. getfilename (attachmentpath );Email. attachments. Add (In

The code you are looking for can only send emails without SMTP verification, but now many emails need verification when they are sent. Later, I found the MSDN help and found the code for sending verification, post it to help you! Copy codeThe Code is as follows: public static int sendmail (string to, string body, string subject) { Try { Int nContain = 0; /// Add the sender address String from = "your EMAIL "; MailMessage mailMsg = new MailMessage (); MailMsg. From = new MailAddress (from ); NCon

From is the email address sentTo refers to the destination mailbox being sentSubject is the titleBody is the content that is sent, note that the related words may cause when the Junk mailbox processing{ System.Net.Mail.MailMessage mm = null; SmtpClient Client; Client = new SmtpClient { Host = "smtp.163.com",//qq is smtp.qq.com port

public static void SendTo (string mailaddress, string subject, String body){MailAddress e-mail address to be sent, subject message header, Body message contentEmail address (163 email)String email_send = Dsis.Core.SysCore.PubFunction.DataFilter (Dsis.Core.SysCore.SysFunction.GetParameterInfo (" Email_send ") [" PValue "]);Send the password for the mailboxString Email_password = Dsis.Core.SysCore.PubFunction.DataFilter (Dsis.Core.SysCore.SysFunction.GetParameterInfo (" Email_password ") [" PValue

Related namespaces: Using System. net; Using System. net. mail; Core Code Example: Protected Void Page_load ( Object Sender, eventargs E) {Mailmessage mm = New Mailmessage ();Mm. to. Add ( " Hooyes@vip.qq.com, lovehooyes@126.com " ); // Recipient addresses, separated by commas Mm. Subject = " Email Subject " ;Mm. Body = " Email content " ;Mm. From = New Mailaddress ( " You@gmail.com " , " Xi Hu Test " );

System. net. Mail. smtpclient Client = New System. net. Mail. smtpclient ();Client. Host = " Smtp.163.com " ;Client. usedefacrecredentials = False ;Client. Credentials = New System. net. networkcredential ( " Your 163 email address " , " Password " );Client. deliverymethod = System. net. Mail. smtpdeliverymethod. Network;System. net. Mail. mailmessage message = New Sy

This exception is returned when an email is sent, Mailbox unavailable. The server response was: 5.7.1 unable to relay for (email address ). The solution is to add a sentence Code : Client. deliverymethod = Smtpdeliverymethod. pickupdirectoryfromiis; The new Code is as follows: Mailmessage message = New Mailmessage (from, to, subject, body );Smtpclient Client = New Smtpclient ();Client. deli

used to compress all files into ZIP files and save them by mail. Mail Code: String smtpserver = "smtp.126.com ";String username = "XXXXXX@126.com ";String userpwd = "XXXX ";String emailfrom = "XXXX@126.com "; Smtpclient client = new smtpclient (smtpserver );Client. Credentials = new networkcredential (username, userpwd ); Client. deliverymethod = smtpdeliverymethod. Network; Mailmessage email =

CopyCodeThe Code is as follows: public static void sendemail () { System. net. Mail. smtpclient client = new system. net. Mail. smtpclient ();// Use QQ's email address to send the test. If it is another email address, set it according to POP3/IMAP/SMTP in another email address. Client. Host = "smtp.qq.com ";Client. usedefacrecredentials = false;Client. Credentials = new system. net. networkcredential (

each mail I want to achieve, and it is not suitable for searching some of the content on the Internet, finally, I decided to modify Jmail by myself.. Net. Download to a decompilation source code of Jmail. Net (if you need to search for the source code by yourself, we will not provide it here), load VS2005, and start to read the code. The automatic prompt during code writing shows that the sent code is sent by Dimac. jmail. smtp. send () to directly view Dimac. JMail. smtp. cs code. Locate the m

(); // Obtain the bitmap handle IntPtr dc2 = g2.GetHdc (); // Capture the current screen in the image object BitBlt (dc2, 0, 0, Screen. PrimaryScreen. Bounds. Width, Screen. PrimaryScreen. Bounds. Height, dc3, 0, 0, 13369376 ); // Copy the current screen to the image G1.ReleaseHdc (dc3 ); // Release the screen handle G2.ReleaseHdc (dc2 ); // Release the bitmap handle String dir = Getdir (); String path = dir + DateTime. Now. ToString ("yyyyMMddHHmmss") + ". jpg "; WriteLog (path ); MyImage. Sav

); } ContentDisposition cd = attachment. ContentDisposition; Cd. CreationDate = File. GetCreationTime (pathFileName ); Cd. ModificationDate = File. GetLastWriteTime (pathFileName ); Cd. ReadDate = File. GetLastAccessTime (pathFileName ); Mail. Attachments. Add (attachment ); } } SmtpClient client = new SmtpClient (); Client. Host = txtSmtpServer. Text; Client. Port = 25; // Whether to use Secure Socket La

Reference namespaces:Using System.Net.Mail;Send HTML mail with cc and BCCNeed to be configured in the Mailsettings node under System.Net in the Web. config filepublic static void SendMail (String mailto, string mailcc, String mailbcc, String mailsubject, String mailbody){ MailMessage mmessage = new MailMessage (); MailAddress mTo = new MailAddress (mailto); if (MAILCC! = "") {mailaddress MCC = new MailAddress (MAILCC); MMESSAGE.CC.ADD (MCC); } if (mailbcc! = "") {mailaddress mbcc = n

C # send a simple email, System. Net. Mail. MailMessage message = new System. Net. Mail. MailMessage ();Message. From = new System. Net. Mail. MailAddress ("***** @ 163.com"); // send emailMessage. To. Add ("********* @ qq.com"); // recipientMessage. Subject = "**********"; // mail titleMessage. IsBodyHtml = true;Message. BodyEncoding = System. Text. Encoding. UTF8;Message. Body = "***************"; // mail contentMessage. Priority = System. Net. Mail. MailPriority. Normal;System. Net. Mail.

Attachmentspath){Attachfile = new Attachment (path);MYMAIL.ATTACHMENTS.ADD (Attachfile);}}}catch (Exception err){throw new Exception ("error when adding an attachment:" + err);}SmtpClient smtp = new SmtpClient ();Specify the sender's e-mail address and password to verify sender identitySmtp. Credentials = new System.Net.NetworkCredential (Mailfrom, mailpwd);Setting up an SMTP mail serverSmtp. host = host;T