Fails To Send Email Through Gmail SMTP, But From Outlook 2007 Succeeds?
Dec 12, 2010
a couple weeks ago, my ASP.NET website stopped sending user comments which I implemented by emailing those comments to my email account through Gmail SMTP server [URL]. I opened the project on my development machine and again it fails to send the email after a couple minutes with the following exception message:
Failure sending mail
Unable to read data from the transport connection: net_io_connectionclosed.
I'm using Gmail's SMTP with port 465, and MailClient.EnableSSL = True.
The weird thing is my Office Outlook 2007 is using the same settings and it doesn't have any problems sending mail using the same Gmail account.
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Mar 15, 2010
I have configured gmail's free smtp server for my web app and previously I was using smtp server configured at the server.
So I have changed my smtp settings accordingly but my app isn't sending any email and giving me error connection time out, third party tool isn't responding after many retrials.
Here are my settings-
SmtpClient smtpClient = new SmtpClient("mail.MyWebsiteDomainName.com", 25);
smtpClient.Credentials = new System.Net.NetworkCredential("info@MyWebsiteDomainName.com", "myIDPassword");
smtpClient.UseDefaultCredentials = true;....
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Jul 15, 2010
I am trying to send an email from our web server to a gmail account via System.Net.Mail but am failing miserably receiving this error message:
Mailbox name not allowed. The server response was:
that domain isn't in my list of allowed rcpthosts (#5.7.1) Using this code I am able to send emails to other email addresses on our Outlook email server:
[Code]....
So I know I am capable of sending email to Gmail with port 587 and using the proper credentials of my own Gmail account. That is not the problem.
The problem is I want to be able to have the mail sent from my application from whatever the user puts in the FROM (Email address): text box to a Gmail account. When I use the above code, the address that the email is sent from is my own.
So the question is: Is there any way to configure this to be able to send from an Outlook email server to a Gmail account without having to use my Gmail account to actually do it (using my credientials). Therefore showing the email as sent from whatever the user puts in the txtEmail text box, and having it sent from the Outlook server?
I know my SMTP uses the port 25 for outgoing mail and I am pretty sure that the Gmail settings block port 25 for incoming mail, which makes sense, but what doesnt make sense is I can compose a message in Outlook and send it to a gmail account, but I cannot automate this through my programming, which makes me feel certain its my programming.
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Jan 12, 2011
i'm trying to send email through gmail account
i get this error:
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at
web config is like below:
[Code]....
and my code :
[Code]....
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Jun 24, 2010
TL;DR - Any webapp devs out there able to squeeze performance out of using gmail as SMTP server without a 3-10 minute delay to delivery?I'm looking for some feedback from developers who are using gmail as a secure SMTP server for use with Webapps.Within the past 2 weeks, my company has switched to gmail to host email for our domains.I have a few webapps that send from our ISP server, but I'd like to refactor the code to use gmail with our domain name. I know the ISP can rig things up, but I don't want relay issues.I have gmail sending for the Webapps and it's more or less working. On ASP/IIS, I'm using SSL and on PHP Linux, I'm using TLS.It seems that TLS (port 587) works better than plain old SSL (port 465), but the overall performance difference seems minimal.What concerns me is that there is often a significant delay (10-20 minutes at times) to get email to a recipient no matter which method I use to send via gmail.While I understand this can happen in any environment, I am used to fast delivery. Use case is salespeople talking to customers and needing to get email to them very quickly using the Webapp. Before the gmail switch, usually less than a minute to deliver. Now, it is 3-4 minutes minimum.Am I crazy to try to use gmail for this purpose? There seem to be a lot of devs using it, so just wanting to know how it works out for them/you.
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Aug 29, 2010
I am trying to send email from my asp .net code ,it is sending email to email ids except gmail.com. all mails with gmail.com is going into my Badmail folder in inet pub folder in my local system.
SmtpClient client = new SmtpClient();
client.Host = "mail.abc.com";
client.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis;
client.Credentials = new System.Net.NetworkCredential("ab", "rr");
client.Port = 25;
string to = "arvind.abes@gmail.com";
string from = "rvsales@westrvwholesaler.com";
MailMessage mail = new MailMessage(from, to);
mail.Subject = "hello......?";
mail.IsBodyHtml = true;
mail.Body = "hi, how are you?may be this will work";
mail.Priority = MailPriority.High;
//client.EnableSsl = true;
try
{
client.Send(mail);
}
catch (Exception ex)
{
Exception ex2 = ex;
string errorMessage = string.Empty;
while (ex2 != null)
{
errorMessage += ex2.ToString();
ex2 = ex2.InnerException;
}
Response.Write(ex2.Message);
}
mail.Dispose();
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Jul 31, 2010
I've written a simple webservice and am running it locally to test it out. Right now, my settings are as follows:
From [URL]
Settings When Hosted Externally
<system.net>
<mailSettings>
<smtp from="noreply@domain.net">
<network host="smtpout.secureserver.net" password="<password>" port="25" userName="noreply@domain.net"/>
</smtp>
</mailSettings>
</system.net>
I've tried these settings, and also tried explicitly setting the properties of my SmtpClient object @ run-time. On send, I receive the following exception
"Failure sending mail. Unable to connect to the remote server - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 64.202.165.58:25"
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Jun 3, 2010
We are using RDLC's in a Asp.net web application. For reasons beyond our understanding, the first call to the database server fails with the following error:
An error has occurred during report processing. Cannot open database "TryParkingIt2" requested by the login. The login failed. Login failed for user 'EXTRANETOurServerNameHere$'.
Run the report again, it works.
Update Click the button the first time, it fails. Click the button again, it works. The account being impersonated is a domain account. Also, this error occurs on all five different report pages, which is why I didn't include any code.
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Mar 25, 2014
Having problems sending email to a gmail account? In my web config I have it setup as:
Code:
<system.net>
<mailSettings>
<smtp from="xxxx" deliveryMethod="Network" >
<network host="smtp.xxxx.com" password="xxx" userName="xxx" enableSsl="false" port="25" />
</smtp>
</mailSettings>
</system.net>
This works if I send it to something like my domain, but if I try this to gmail it will give me something like "secure connection required" I've tried a few different ports. I've tried 587 and it gives me the same thing. If I turn enablessl=true ports 587 and 25 will tell me secure email no supported. If I try it on port 465 it will time out.
there's a thing called "Collaboration Data Objects for Windows 2000" using System.Web.Mail, but I don't want to do that because I'm using System.Net.Mail and microsoft also when I try and compile the CDO objects it says it's now unsupported plus it doesn't work anyway. It times out when I try this:
Code:
Dim smtpServer As String = "xxxx"
Dim userName As String = "xxx"
Dim password As String = "xxx"
Dim cdoBasic As Integer = 1
[Code] ....
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May 7, 2015
i want to send a Email through outlook using vb.net
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Dec 27, 2010
I am using gmail in my asp.net site to send email. It is working fine on shared server but it donot send email when I run my site on local machine in visual studio. Please guide what should I do to make it sending emails from local machine as well.below is my code:
dt = systemrep.GetSystemInfo();
dr = dt.Rows[0];
From = dr["nm_EmailFrom"].ToString();
SMTP = dr["nm_SMTP"].ToString();
Port = dr["amt_Port"].ToString();
EmailId = dr["nm_emailUserId"].ToString();
[code]...
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Mar 16, 2011
Can we use gmail account to send email in asp.net website from *localhost * (local machine) ? I am trying but badly unsuccessful. It works fine on hosting but donot work on my machine.
I have windows server 2003 on my machine, I have added port 587 and 465 in firewall in exceptions. In my gmail account I also have enabled POP and IMAP. Some people to use port 465 and others say port 587 should be used. I tried both and below was my result:
Using port 465 it take time and finally give message that the opration has timed out. falure
Using port 587 it dont take time, show message "failuer sending email" with an inner expection "No connection could be made because the target machine actively refused it 72.14.213.109:587"
[code]....
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May 11, 2010
I want to send email without declare username and password in smtp server. I am using asp.net c#, this is possible in asp below is the code , anybody tell me how can i use this code in asp.net.
<%
Dim ObjSendMail
Dim iConf
Dim Flds
Set ObjSendMail = Server.CreateObject("CDO.Message")
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Jan 15, 2011
Can we send email form local host using gmail smtp? I am trying and getting error The operation has timed out. I am trying to send email from local host from last 3 days. It works fine if I send emails from my hosting server using gmail but it is not working on localhost. I have disabled firewall anti virus but even then unlucky. have u ever used gmail for sending emails from localhost (without any server involved) If it is possible.
protected void btnConfirm_Click(object sender, EventArgs e)
{
MailMessage message = new MailMessage();
message.To.Add("me@hotmail.com");
message.From = new MailAddress("xxxxxx@gmail.com");
message.Subject = "New test mail";
message.Body = "Hello test message succeed";
message.IsBodyHtml = true;
message.BodyEncoding = System.Text.Encoding.ASCII;
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smtp.EnableSsl = true;
smtp.Port = 465;
smtp.UseDefaultCredentials = false;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Host = "smtp.gmail.com";
smtp.Credentials = new NetworkCredential("xxxxxx@gmail.com", "**mypassword**");
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{
smtp.Send(message);
}
catch (Exception ex)
{
throw ex;
}
}
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Aug 30, 2012
I am trying hard from the past 2 days to Send mail to my gmail account. But I am not able to do so
Only Exception i am getting is "Failure sending mail."
If i am giving wrong username and password then it is giving the exception
" The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required. Learn more at"
0
2
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Dec 9, 2010
module thats available for asp.net that uses a queue to send email to an smtp server? the queue being the operative word here.. we need a proper fallback mechanism for storing any messages that can't be sent so that the send can be re-attempted later
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Oct 14, 2010
my website sends email just fine on another host. I should not really have to change anything to make it work on this webhost. However, I have followed the instructions for this host and it is not working. Here is my current web.config.
[Code]....
I am getting my mail message printed at the top of my browser with the correct information. Why isn't this going through the mail server?
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May 16, 2012
Got Error while tried to send email through smtp
my code is >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Protected Sub Submitbutton_Click(sender As Object, e As System.EventArgs) Handles Submitbutton.Click
Dim EMail1 As New MailMessage
EMail1.From = New MailAddress("Receiver")
EMail1.[To].Add(New MailAddress("Sender"))
EMail1.Subject = Firstnametextbox.Text + lastnametextbox.Text + "Register "
EMail1.Body = " This is content "
[Code] .....
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Nov 21, 2011
I want to send emails using SMTP server in ASP.Net. I amusing C#
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Apr 9, 2010
I'm a newbie in asp.net (and vb.net)..
I have an application which will sent an automatic email from my company mail server to all the client/employee in my company every week. how to make this happen... everytime i applied the codes that i'm searching in google always give me some errors cause it always discuss how to send email to outside the company...
How can i achieve this goal ? what codes should i use ?
Note : i'm using vb.net 2005 and microsoft office outlook
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Mar 23, 2011
Previously I had thread Send Mail? That helps me to send mail through Gmail credential account. Now I want to send Email through my server (suppose my server name is [URL]) so what should I do?
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May 7, 2015
The below code working fine but I dont want to pass the username and pwd at NetworkCredential. Is there any way to avoid passing username and password ? Is it mandatory that we should pass from username and password in NetworkCredential ?
SmtpClient _SmtpClient = new SmtpClient("smtp.gmail.com");
MailAddressCollection _MailAddressCollection = new MailAddressCollection();
MailMessage _message = new MailMessage();
_message.From = new MailAddress("abc@gmail.com");
[Code].....
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Sep 1, 2010
I have the following form and trying to click a button and email through an SMTP server.
[Code]....
Code behind:
[Code]....
Web.config file:
[Code]....
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Aug 19, 2010
I am trying to send an email using an exchange smtp authentication. I have set the username, password, and domain and converted them to base 64 but I get an error message:-
Mailbox unavailable. The server response was: 5.7.1 Unable to relay
I have been trying to get this to work for months now and just can't seem to find the answer.
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May 27, 2010
SMTP is a whole new ballgame for me, but I am reading up on it.
I am attempting to send email from my EC2 instance using GoDaddy's SMTP server. My domain name is registered through GoDaddy and I have 2 email accounts with them.
I can successfully send the email from my dev box no problem.
my web.config
[code]....
I have a feeling I'm just missing something fundamental. I also have a feeling someone is going to recommend I use AuthSmtp or something similar, I'll agree, and have had wasted the past 6 hours
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