Mageplaza SendGrid Configuration

Oct 13, 2025 by thesweetdesigns.com 107 views

Introduction

Magento 2 messaging queue is a powerful tool for sending emails in the background, improving the overall performance of your e-commerce website. However, when sending multiple emails through this queue, you may encounter an error like fwrite(): SSL: Broken pipe. This error can be frustrating, especially when you're using a reliable SMTP service like SendGrid. In this article, we'll discuss the possible causes of this error and provide a step-by-step solution to resolve it.

Understanding the Error

The fwrite(): SSL: Broken pipe error occurs when the Magento 2 messaging queue is unable to send emails to the SMTP server. This can happen due to various reasons, including:

Connection timeout: The connection between Magento 2 and the SMTP server times out, causing the error.
SSL handshake failure: The SSL handshake between Magento 2 and the SMTP server fails, resulting in the error.
SMTP server issues: The SMTP server is down or experiencing issues, causing the error.

Magento 2 Configuration

Before we dive into the solution, let's review the Magento 2 configuration for sending emails using the messaging queue.

SMTP Configuration

To configure SMTP in Magento 2, follow these steps:

Enable SMTP: Go to System > Configuration > Advanced > System > Send Emails and select Yes for Use SMTP.
SMTP Host: Enter the SMTP host name or IP address.
SMTP Port: Enter the SMTP port number (default is 587).
SMTP Username: Enter the SMTP username.
SMTP Password: Enter the SMTP password.
SMTP Authentication: Select Yes for Use Authentication.
SMTP Encryption: Select TLS or SSL for Use TLS/SSL.

Mageplaza SendGrid Configuration

To configure Mageplaza SendGrid in Magento 2, follow these steps:

Install Mageplaza SendGrid: Install the Mageplaza SendGrid extension from the Magento Marketplace.
Configure SendGrid: Go to System > Configuration > Advanced > Mageplaza > SendGrid and enter your SendGrid API key.
Set SendGrid as Default: Select Yes for Use SendGrid as Default.

Solution

To resolve the fwrite(): SSL: Broken pipe error, follow these steps:

Step 1: Increase Connection Timeout

Increase the connection timeout in the Magento 2 configuration.

Go to System > Configuration > Advanced > System > Send Emails.
Increase Connection Timeout: Increase the Connection Timeout value to a higher value (e.g., 300 seconds).

Step 2: Disable SSL Verification

Disable SSL verification in the Magento 2 configuration.

Go to System > Configuration > Advanced > System > Send Emails.
Disable SSL Verification: Select No for Verify SSL.

Step 3: Use TLS Encryption

Use TLS encryption in the Magento 2 configuration.

Go to System > Configuration > Advanced > System > Send Emails.
Use TLS Encryption: Select TLS for Use TLS/SSL.

Step 4: Check SMTP Server Issues

Check if the SMTP server is down or experiencing issues.

Test SMTP Connection: Use a tool like Telnet or SMTP Tester to test the SMTP connection.
Check SMTP Server Logs: Check the SMTP server logs for any errors or issues.

Step 5: Update Magento 2

Update Magento 2 to the latest version.

Check for Updates: Go to System > Update > Check for Updates.
Update Magento 2: Update Magento 2 to the latest version.

Conclusion

Q: What is the Magento 2 messaging queue?

A: The Magento 2 messaging queue is a powerful tool for sending emails in the background, improving the overall performance of your e-commerce website.

Q: What is the cause of the `fwrite(): SSL: Broken pipe` error?

A: The fwrite(): SSL: Broken pipe error can be caused by various reasons, including connection timeout, SSL handshake failure, and SMTP server issues.

Q: How do I increase connection timeout in Magento 2?

A: To increase connection timeout in Magento 2, follow these steps:

Go to System > Configuration > Advanced > System > Send Emails.
Increase Connection Timeout: Increase the Connection Timeout value to a higher value (e.g., 300 seconds).

Q: How do I disable SSL verification in Magento 2?

A: To disable SSL verification in Magento 2, follow these steps:

Go to System > Configuration > Advanced > System > Send Emails.
Disable SSL Verification: Select No for Verify SSL.

Q: How do I use TLS encryption in Magento 2?

A: To use TLS encryption in Magento 2, follow these steps:

Go to System > Configuration > Advanced > System > Send Emails.
Use TLS Encryption: Select TLS for Use TLS/SSL.

Q: How do I check SMTP server issues?

A: To check SMTP server issues, follow these steps:

Test SMTP Connection: Use a tool like Telnet or SMTP Tester to test the SMTP connection.
Check SMTP Server Logs: Check the SMTP server logs for any errors or issues.

Q: How do I update Magento 2?

A: To update Magento 2, follow these steps:

Check for Updates: Go to System > Update > Check for Updates.
Update Magento 2: Update Magento 2 to the latest version.

Q: What are the benefits of using the Magento 2 messaging queue?

A: The Magento 2 messaging queue offers several benefits, including:

Improved performance: Sending emails in the background improves the overall performance of your e-commerce website.
Increased reliability: The messaging queue ensures that emails are sent reliably, even in the event of a connection failure.
Scalability: The messaging queue can handle a large volume of emails, making it ideal for large e-commerce websites.

Q: What are the common issues with the Magento 2 messaging queue?

A: Some common issues with the Magento 2 messaging queue include:

Connection timeout: The connection between Magento 2 and the SMTP server times out, causing the error.
SSL handshake failure: The SSL handshake between Magento 2 and the SMTP server fails, resulting in the error.
SMTP server issues: The SMTP server is down or experiencing issues, causing the error.

Q: How do I troubleshoot issues with the Magento 2 messaging queue?

A: To troubleshoot issues with the Magento 2 messaging queue, follow these steps:

Check the Magento 2 logs: Check the Magento 2 logs for any errors or issues.
Check the SMTP server logs: Check the SMTP server logs for any errors or issues.
Test the SMTP connection: Use a tool like Telnet or SMTP Tester to test the SMTP connection.