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160 views

I know there are many questions and answers about this subject. But I didn't find any solution. The code is quite simple, I am only sending an email via smtp-mail.outlook.com. For a while we are ...
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0 answers
65 views

context: trying to start up mailkit for integration tests. this works fine on my local machine, but breaks in the pipeline when im starting up the mail server with same parameters for port and ...
0 votes
2 answers
174 views

I developed a C# application that uses MimeKit to send emails through SES. The following code demonstrates this Note: My server only allows the port - 25. public virtual bool Send(MimeMail ...
0 votes
1 answer
285 views

My MailKit code: var eMail = new MimeMessage(); eMail.From.Add( new MailboxAddress( sender, sender ) ); eMail.To.Add( new MailboxAddress( recipient, recipient ) ); ...
0 votes
1 answer
91 views

I am working on a SMTP sender application and I already went through many options but I still can't find solution. Problem I have a test message where in the emil message, I have some TO and CC ...
1 vote
0 answers
326 views

I am trying to integrate SMTP Email Service of Outlook in my project and And I am getting the above mentioned Error in the title. I am trying to trigger Automated email after certain operation ...
2 votes
2 answers
104 views

I have a problem with sendEmailAsync and Parallel.ForEach If I don ́t use Parallel.ForEach it works perfectly, but when I try to use it this way, my console application stops and I don ́t receive any ...
0 votes
1 answer
2k views

This is an interesting one. In my ASP.NET (.NET 8) app with Identity authentication, I have an implementation of IEmailSender<AppUser> (we'll call it IdentityEmailService). The ...
0 votes
0 answers
63 views

I'm trying to send an email from a .NET console app via Mail.com SMTP. I've triple checked the values, but I keep getting an error: SMTP Error: MustIssueStartTlsFirst - The SMTP server requires a ...
0 votes
2 answers
92 views

I'm encountering an issue while trying to send emails from my .NET application using the SmtpClient class. Even though my credentials are correct, I keep getting the following error: System.Net.Mail....
0 votes
0 answers
137 views

I am working on an ASP.NET app on the .NET Framework 3.5. I am sending an email using SmtpClient client = new SmtpClient(); To set the credentials, I am doing this: client.Credentials = new System....
-1 votes
1 answer
112 views

I'm using the System.Net.Mail library and am attempting to initialize a MailMessage object. I must initalize it with an empty object because I iterate through a few email addresses to add them into ...
0 votes
0 answers
35 views

I got tasked with fixing an app whose current server is going to lose support sooner than later. It now uses smtp.mundo-r.com (which belongs to a Spanish ISP) and the program was using port 25 with ...
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0 votes
0 answers
95 views

I'm trying to send emails out using smtp on client-side, however the emails aren't coming through. I even checked spam and nothing. I'm working on a project my boss gave me, don't worry about the ...
0 votes
2 answers
3k views

I have written several C# apps that used the SmtpClient. they have been running for years. this week they all stopped working and are throwing the following exception: System.Net.Mail.SmtpException ...

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