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Building Backend by using ASP.NET Web API

Here is my testing problem.

using (MailMessage mail = new MailMessage("sendermail", "recievermail"))


[login to view URL] = "Sending Email Using Asp.Net & C#";

[login to view URL] = "<h1>In this article you will learn how to send a email using Asp.Net & C#</h1>";

[login to view URL] = true;

SmtpClient smtp = new SmtpClient();

[login to view URL] = "[login to view URL]";

[login to view URL] = 587;

[login to view URL] = false;

[login to view URL] = true;

NetworkCredential NetworkCred = new NetworkCredential("sendermail", "XXXXXXXXX");

[login to view URL] = NetworkCred;

[login to view URL](mail);


Please write your bid with answer of this question.

What is this code?

Why is this error happened?

ERROR: "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at"

I will give my whole project to right candidate.

Kĩ năng: Lập trình C#, ASP.NET, Microsoft SQL Server, .NET, ASP

Về khách hàng:
( 0 nhận xét ) Russian Federation

ID dự án: #34858331

24 freelancer chào giá trung bình$137 cho công việc này


Hi there, I read the requirements and I am interested in your project. The reason of this error is either the sender email credentials are false or we need a settings in the sender email account. I have rich experie Thêm

$200 USD trong 7 ngày
(132 Nhận xét)
(29 Nhận xét)

Hi Dear , I have 5 years experience over asp.net(webform and MVC, core), windows application, HTML, CSS, Javascript , API Integration, .Net Web Services (WCF, and ASMX), Version Control: Github, Knowledge of opti Thêm

$100 USD trong 3 ngày
(48 Nhận xét)

Dear Concern, I am a Certified PMP (Project Management Professional) & Scrum (Agile) Professional offering services as Full Stack Developer (Frontend & BackEnd), having hands-on experience of developing small, medium Thêm

$140 USD trong 7 ngày
(19 Nhận xét)

привет sir, We will provide you dedicated resources on the project . I have 12+ experience years on .NET Framework and 4+ exp years on .NET Core. my latest project is moolahxxxx (#1 Fintech in Singapore), mountainsxxxx Thêm

$130 USD trong 2 ngày
(16 Nhận xét)

Hi, My name is Ali and I am available for the work. Key Development Capabilities:- ASP.Net | DotNet Core | MVC | NodeJs | ReactJs | Angular | JQuery | LINQ | Javascript Restful APIs | Web APIs PowerApps | Tableau Thêm

$140 USD trong 7 ngày
(32 Nhận xét)

Hi, I can start immediately and can offer 40+ hours per week. I read your project post .NET Developer. My key skill expertise are in C#, .Net Core, ASP.Net Core, ASP.NET Identity, Entity Framework Core, SQL Server, D Thêm

$250 USD trong 7 ngày
(21 Nhận xét)

Hi! It's great to bid for your project. it is sending email via Gmail mailbox using C#. first: mail message should take email format or string variable. This error happened because the sending message needs two step v Thêm

$200 USD trong 7 ngày
(6 Nhận xét)

Hi there, First the code is to send email using Gmail SMTP and secondly error come because the user account you are using credentials from have 2 step verification on. I would love to work on your project, please pin Thêm

$250 USD trong 7 ngày
(1 Nhận xét)

Hi , This is Rajesh Reddy R.I have 6 years of experience on dotnet development.I have seen your requirement regarding dotnet developer.I am interested to work on these [login to view URL] i get a chance i will deliver good qua Thêm

$30 USD trong 7 ngày
(1 Nhận xét)

5Hello, Dear Client, Hope you doing well. I have gone through your requirement and as per my previous work experience, I am ready to start work immediately on your project. .I have achieved 8+ years of experience as a Thêm

$140 USD trong 3 ngày
(3 Nhận xét)

Dear Client company will provide 1 year free service This is not final amount we bid, after discussion we can do this project as per requirements and within your budget. I checked your project.I have worked on similar Thêm

$120 USD trong 7 ngày
(0 Nhận xét)

Hello, I read your description. I can help you to Building Backend. I am ready to work right away. I am an individual full time Dot Net developer with 15+ years’ experience in C#, MVC, PHP, Laravel, Dot Net, API Inte Thêm

$120 USD trong 4 ngày
(1 Nhận xét)

Greetings, You are chatting with Konika . We are a group of professionals skilled in various technologies . ASP.NET , MS SQL Server , APIs etc are our forte. This error is because of security setting in your Email ad Thêm

$140 USD trong 7 ngày
(0 Nhận xét)

Hello there! Greetings of the day... I am interested in your project and I can deliver your work as per your requirement within reasonable time and budget. I have good expertise and proficiency in PHP/WordPress/Laravel Thêm

$110 USD trong 7 ngày
(0 Nhận xét)

Hello, I am a senior ASP.Net developer having more than 11 years in enhancing and realizing software applications. Here is the answer to your questions : What is this code? Code snippet to send email using c# code Why Thêm

$90 USD trong 7 ngày
(0 Nhận xét)

Hi. I will provide you Professional results in my end. I'm a technology lead, specialized for more of 10+ years in web development and proficient in .NET MVC, Jquery & Mysql. I am ready to start work right now and I ca Thêm

$140 USD trong 7 ngày
(0 Nhận xét)

Hello, I solved exactly same problem before for my customer. It will not take so much time for me to solve it [login to view URL] you want, we can talk in details.

$140 USD trong 7 ngày
(0 Nhận xét)

Hi client You needs to authenticate it by creating a app two step authentication on gmail to sending an email. It will create a credentials to sending email and authentication as well Let me Know if do you have a Thêm

$140 USD trong 2 ngày
(1 Nhận xét)

Hello There, I have review your code and I think there is problem SmtpClient and gmail security issue. I have experience about email sent option. More discuses please come on with chat box Regards. Shafaet

$100 USD trong 7 ngày
(0 Nhận xét)