![mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" - YouTube mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" - YouTube](https://i.ytimg.com/vi/Pfvlpw7Q-uQ/maxresdefault.jpg)
mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" - YouTube
![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 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](https://i.redd.it/ev7f8gphn0l91.jpg)
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
![Why does Gmail (add accounts) using SMTP server recommend SSL instead of TLS? - Information Security Stack Exchange Why does Gmail (add accounts) using SMTP server recommend SSL instead of TLS? - Information Security Stack Exchange](https://i.stack.imgur.com/utLdI.png)