![jakarta ee - Email notification using java i can face error as Could not connect to SMTP host: RELAY.MY.COM, port: 25, response: 421 - Stack Overflow jakarta ee - Email notification using java i can face error as Could not connect to SMTP host: RELAY.MY.COM, port: 25, response: 421 - Stack Overflow](https://i.stack.imgur.com/n5voZ.jpg)
jakarta ee - Email notification using java i can face error as Could not connect to SMTP host: RELAY.MY.COM, port: 25, response: 421 - Stack Overflow
![Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn](https://learn.microsoft.com/en-us/exchange/troubleshoot/exchangeonline/email-delivery/media/fix-issues-with-printers-scanners-and-lob-applications-that-send-email-using-off/multifunction-printer-connects%20to-m365.png)
Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn
![hi everyone, this is regarding the Google cloud network firewall. this morning I checked and saw the orange light with recommendation saying "SMTP Port 25 is allowed in this project" . please have a look at the attached screenshot. But on checking I couldn't ... hi everyone, this is regarding the Google cloud network firewall. this morning I checked and saw the orange light with recommendation saying "SMTP Port 25 is allowed in this project" . please have a look at the attached screenshot. But on checking I couldn't ...](https://preview.redd.it/hi-everyone-this-is-regarding-the-google-cloud-network-v0-ev7f8gphn0l91.jpg?auto=webp&s=e812e5f5c199ac4057e6587cacd65ad394864f3c)