Why do Sending SMTP Authenticated E-mail succeed using SmtpMail.Send() function but fail using SmtpClient.send() function ? Bugs in System.Net.Mail.SmtpClient when send a Authenticated E-mail?
I click btnOK button, the email can send OK, but click btnFail button,  the following error is displayed! why ? you can test the section code. The SMTP, username, password are valid!  Many thanks! "Syntax error, command unrecognized. The server response was: authentication failed,decode user password error" I have tested some other SMTP, somes is OK. I think there are some bugs with System.Net.Mail.SmtpClient when send a Authenticated E-mail with some SMTP!   //------------------------------------------.ASPX Code----------------------------------------...

Sending Email through System.Net.Mail is generating errors "Failure Sending mail
hi Sending Email through System.Web.Mail is working fine but System.Net.Mail is generating errors "Failure Sending mail  i treid in all possible ways but did't  pls help in giving a solution thanks & Regards vittal Maybe you can show us some code and post the exact error mesg as well (by looking at the value in ex.tostring)?My HomePage - www.findingsteve.net"It is more blessed to give than to receive." Acts 20: 35 (NIV, Bible)Progress - "Never discourage anyone...who continually makes progress, no matter how slow." Plato System.Web.Ma...

Sending mails with Net.Mail: no Email, No Error
hi,i'm using the system.net.Mail namespace to send an email from my application. when i send, the application does not fire any exception, neither does it send the email to my account.below is the code i'm using  Dim mmailMessage As New Net.Mail.MailMessage Dim mFrom As New Net.Mail.MailAddress(mailFrom) mmailMessage.From = mFrom Dim ll As String = "myname@ourmail.com" mmailMessage.To.Add(ll) mmailMessage.Subject = "Talk Concerns" mmailMessage.Body = "Testing Concerns One Two" Dim sm As...

Error handling sending mail (system.net.mail)
 Hi I did an aplication for send membership comunications and i want make a simple upgrade. I have a while for sent the messages to every recipients but i want in each recipient get if the mail has sent or failed, this is for sum that on a cell for the message but i dont know how get if the message go or failed?Im using VB. Somebody can help me on that?  You can't know for sure if the message was delivered or not. The only option would be to read any returned messages from the mail server. Website Design Darlington - http://mdssolutions.co.ukhttp://lesstha...

send mail error 550 You must check your mail from this IP or SMTP Auth before sending
The server rejected one or more recipient addresses. The server response was: 550 You must check your mail from this IP or SMTP Auth before sending to majed3681@hotmail.com Dim objMail As New MailMessage objMail.From = "webmaster@dotnetwebhosts.com" objMail.To = "webmaster@dotnetwebhosts.com" objMail.Cc = "majed3681@hotmail.com" objMail.Bcc = "postmaster@dotnetwebhosts.com" objMail.BodyFormat = MailFormat.Text objMail.Priority = MailPriority.High ...

Send mail via background thread (System.Web.Mail) : Error 401
I have a class which takes care of sending out a mail if a new blog entry is posted or a new forum topic has been initiated...the part which sends mail goes something like this...  Public Class UserClass '... Public Sub Notify() Dim message As New MailMessage() message.To = "arun.jayapal@contoso.com" message.From = "IT@contoso.com" message.BodyFormat = MailFormat.Html message.Subject = "KNIT Notification" Try Dim objResponse As WebResponse Dim objRequest As Web...

System.Net.Mail.SmtpClient.Send() Error: An invalid character was found in the mail header
hi all!please help!I wanted to make an automatic email when I create user by CreateUserWizard. So I configured SMTP, then in properties of the wizard indicated textfile for message and wrote simple subject "registration" but I have an exception (like in subj).I even tried to set the subject in event handler for "emailsending" event. Same exception.  What is wrong? How could I fix it?  Here us some info from stack:[FormatException:An invalid character was found in the mail header.] System.Net.BufferBuilder.Append(String value, Int32 offset, Int...

Not able to send mail to Hotmail Account. Mail getting queued up in the mail server.
Hi, I have created a mobile web page in VS2005, which has the functionality of sending emails. With the code I have written, I am able to send mails to all the other accounts except Hotmail account. The email is getting queued up. This I was able to find out  from the Inetput\mailroot\queue folder. I am not able to find out why this is happening and what should be done to solve this. Any help on this would be appreciated. Thanks ASMJ      Check the SMTP logs to see what's happening.  Also post at www.iis.net, the forums there cover SMTP and i...

System.Net.Mail.SmtpClient.Send() Error: An invalid character was found in the mail header #2
Hello  I get This error when trying to send mailMessage. The problem wasn't there until today. Until today I developed my webside on Windows XP machine, Today I moved it to a new machine of Windows Vista Ultimate and the same Code on vista produce an error (same as you mentioned) Need Help.   Thanks, Hi,What character set are you using? Try setting the encoding to Encoding.UTF8;   Narmatha Balasundaramhttp://reflexangle.blogspot.com I tried to set the subject and body encoding to UTF8 with no luck.  The thing is that the code works fine on Windows ...

Sending mail through System.Web.Mail
Hi guys, long time no talk :) Ok, here's a question. I'm making a newsletter that will be sent to people on a mailing list. The System.Web.Mail object is helpful for this but I need to know one thing. I want to send the newsletter in a way that, when the recipient receives it, the "From" reads "Bensaude Turísmo" and not "geral@bensaude.pt". In other words, I want to be able to imitate the "Name <Email>" way of sending email, but I haven't found out how to do that with System.Web.Mail. Up until now, I keep getting a parse error ...

system.net.mail not sending out mail
I recently upgraded from a 2.0 framework to 3.5 using c#.  When I upgraded, I needed to change the way I was using MailMessage.  But now for some reason it doesn't work.  Am I missing something?Below is my code:using System.net.Mail; MailMessage msg = new MailMessage();msg.To.Add(toList);msg.CC.Add(ccList = null ? "" : ccList);msg.From = new MailAddress(fromList);msg.Subject = subject;msg.Body = body;msg.IsBodyHTML = true; SmtpClient smtp = new SmtpClient(smtpServer);smtp.Send(msg); I'm passing all the value from my web.config file inside AppSettings.What ...

Suddenly started getting "client was not authenticated " error while sending mail
Hi,I was able to send mail with no trouble before few days.Then due to some reason, i Formatted pc &  re-installed visual studio & IIS Now when i try to send mail, i get this error.The SMTP server requires a secure connection or the client was not authenticated.In my web.config file i write<mailSettings>      <smtp from="myemail@gmail.com">        <network host="smtp.gmail.com" port="587" userName="myemail" password="xxxx" defaultCredentials="false&qu...

.net 2 beta 2 - System.Net.Mail
Hi guysI'm using the System.Net.Mail namespace in .net version 2, beta 2, to send out some HTML formatted e-mails.However, for some reason when the e-mail are sent out some of the full stops from the e-mail are removed.For example, part of the e-mail contains this code<img src="http://www.avonandsomerset.police.uk/images/grey_box_bottom.gif" alt="">But this is what the code is like when the e-mail source code is viewed<img src="http://www.avonandsomerset.police.uk/images/grey_box_bottomgif" alt="">Is this a known bug in beta 2? If so, where can I view a list of known bugs an...

Sending Mail Using SYSTEM.WEB.MAIL...
Hello: I have been experiencing a very strange problem that was not there before in the past. When I use the system.web.mail class to send e-mail... most of the messages trying to be sent result in an error while some go through very strange... In my code I specify a valid remote mail server, a valid to and from e-mail addresses on the same domain... Some of the e-mails go through some do not... here is the error below from the e-mails that do not go through... Send failure: System.Web.HttpException: Could not access 'CDO.Message' object. ---> System.Reflection.TargetIn...