Simple SMTP Mailer

Send emails via SMTP using the msmtp command-line tool configured in ~/.msmtp/config for authentication and server settings.

openclaw skills install @hitygx/simple-smtp-mail

Simple SMTP Mail

Send emails via SMTP using msmtp command-line tool.

Create a configuration file at ~/.msmtp/config with the following format:

text

account default
host <SMTP_SERVER>
port <PORT>
tls on
tls_starttls off
auth on
user <EMAIL_ADDRESS>
password <PASSWORD>
from <EMAIL_ADDRESS>

Gmail:

QQ Mail:

Outlook/Hotmail:

163.com:

macOS:

bash

brew install msmtp

Linux (Debian/Ubuntu):

bash

sudo apt install msmtp

Linux (Fedora/RHEL):

bash

sudo dnf install msmtp

Edit ~/.msmtp/config:

bash

nano ~/.msmtp/config

bash

chmod 600 ~/.msmtp/config

bash

echo "Body text" | msmtp recipient@example.com

bash

echo -e "Subject: Your Subject\n\nBody text" | msmtp recipient@example.com

bash

echo -e "Subject: Your Subject\nFrom: your@email.com\n\nBody text" | msmtp recipient@example.com

bash

echo -e "Subject: Your Subject\nContent-Type: text/html; charset=UTF-8\n\n<html>...</html>" | msmtp recipient@example.com

Check if SMTP server is reachable:

bash

msmtp --file=~/.msmtp/config --serverinfo

"Account not found": Check your config file path with --file flag
"Authentication failed": Verify username and password (or App Password)
"Connection refused": Check port number and firewall settings
"TLS certificate error": Try tls_certcheck off in config (not recommended for production)