They report that the issue arises suddenly after using the same script for a long time: This issue can be extremely annoying, especially if you need the script to run properly for a company or multiple users. This error message is caused by one of the following issues:

the connection settings are incorrect (wrong port specified) the credentials provided are incorrect (username and password)

For these reasons in this article, we will explore some of the best methods to solve this problem, and be able to send emails using your scrip again. Please follow the steps closely to avoid any unnecessary issues.

What to do if Email server doesn’t support secure connection?

1. Change ‘client.port’ value

2. Change the value of SmtpServer.EnableSsl

The code of your script should look like this : Change the value of SmtpServer.EnableSsl from ‘true’ to ‘false’. turns into: After changing this value, check to see if the issue persists. If it does, please follow the next method.

3. Change settings of your Gmail app

4. Use a third-party email client service

Alternatively, you can send the script by connecting your Gmail account to a third-party email client program. Software like Mailbird can fully sync and configure with Gmail, allowing you to manage your contacts and messages in one inbox. Mailbird can connect to Facebook, Google Calendar, WhatsApp, Twitter, Dropbox, Evernote, Google Docs, Slack, and other day-by-day apps. Moreover, the program will detect the server settings automatically, so you won’t have to insert them manually. In addition to basic email client functionality, it offers support for IMAP, POP3 servers, email search, filtering, and more. Mailbird allows you to snooze incoming emails and includes a fast reading of messages as well as a quick preview of attachments for text files and graphics. Follow these steps to connect the two accounts: In this article, we explored some of the best methods to solve the issue caused by an error in the script for sending emails through Gmail. Please feel free to let us know if this guide helped you solve your issue, by using the comment section below.

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