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SMTP, or Simple Mail Transfer Protocol, is a set of communication protocols that allow software to send email over the Internet.

Send Mail Through Your Smtp Server Authentication Failed

The SMTP server will have the email address configured by the email client or application. Generally, the SMTP email address can be found in your email client account or settings.

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But recently, many users have encountered problems connecting their email addresses using the SMTP method. When they tried to do so, they encountered an SMTP authentication error.

Using an SMTP client, users can log in using any authentication method supported by the server. Since authentication is mandatory to access the data, it is mainly used by sending servers.

SMTP authentication is a way for ISP users to identify themselves to email servers in order to send email. No one can send e-mail through the mail server of their choice; mail servers allow only authorized users to send email.

Nowadays, privacy is the most important thing for people. Everyone who uses an email server is looking for anonymity, and SMTP authentication does just that.

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If you don’t use SMTP authentication, a potential browser may be able to spoof you. They can hack into your email server, send unauthorized marketing emails, and steal the recipient’s personal information.

Some computer problems are difficult to solve, especially when there is a corrupted storage space or missing Windows files. If you have trouble fixing the error, your system may be damaged.

SMTP authentication error 535 can occur if a user has entered incorrect credentials in their email provider’s portal. Usually, people use the same username and password as their email address to log into their email server.

However, some SMTP servers require information other than email addresses. To resolve this, enter the correct login information or reset your password.

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Issues like spamming and billing can sometimes get your account deleted. An invalid account can be the cause of SMTP authentication errors.

Therefore, you should check your account status to make sure it is active. If you have any problems, please contact the server’s support staff.

This is very rare, but sometimes service providers can block the SMTP connection due to some server errors. In this case, contact your email provider to re-enable SMTP authentication.

Below is a list of all platforms that have been scanned for SMTP authentication errors and how to fix them.

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If the troubleshooting methods did not resolve this error, it may be an issue with the SMTP port. Rest assured that our guide will help you fix it.

If you have any problem then leave a comment below. We want to hear from you.SQL SERVER – Database Mail Error: The SMTP server requires a secure connection or client authentication was not performed. The server’s response is: 5.5.1 – Using Gmail

In my previous version we saw one reason for mail database error due to SSL configuration. Today we will learn about another mail error in the database.

SQL SERVER – Database Mail Error: The SMTP server requires a secure connection or client authentication was not performed. The server’s response is: 5.5.1

Smtp Server Issues

Here we will learn about another reason and solution for the email data error: The SMTP server requires a secure connection or client authentication is not performed. The server’s response is: 5.5.1. This is especially true for Gmail accounts/SMTP servers.

After my reading, one of my readers contacted me to let me know that even after changing the settings, the emails are still giving the same error.

He announced that he had created a new Gmail account and was sending emails through it. The database mail version has exactly the same message.

The mail server is down, so mail cannot be sent to the recipient. (Sending mail using account 1 (2018-06-30-01:25:47). External message: Could not send mail to the mail server. (The SMTP server requires a secure connection or client authentication was not performed. Server response: 5.5 1 Authentication required (see details here).)

Authentication Failed, Code: 550

I double checked and found that the SSL checkbox was checked. I asked him to check his Gmail mailbox to see if there was an email. Interestingly, we saw the email below

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SQL SERVER – Msg 7399, Level 16 – OLE DB provider ‘ADsDSOObject’ for linked server ‘AD’ reported an error

Pinal Dave is an independent SQL Server Performance Tuner and Consultant with over 17 years of experience. He has a Master’s degree in Science and several database credentials.

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Pinal has written 13 SQL database and 40 Pluralsight courses. To freely share his knowledge and help others develop his skills, Pinal has written more than 5,500 articles on data technology on his https://site.

Pinal is an experienced and dedicated player with a deep commitment to excellent customer service. If you need help with SQL performance tuning, please contact [email protected]

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