从Bash shell脚本发送邮件

#!/bin/bash

# 设置收件人、发件人和邮件主题
TO="recipient@example.com"
FROM="sender@example.com"
SUBJECT="Hello from Bash script"

# 邮件正文
MESSAGE="This email was sent from a Bash script using the mail command."

# 发送邮件
echo "$MESSAGE" | mail -s "$SUBJECT" "$TO" -r "$FROM"

#!/bin/bash

# 设置收件人、发件人和邮件主题
TO="recipient@example.com"
FROM="sender@example.com"
SUBJECT="Hello from Bash script"

# 邮件正文
MESSAGE="This email was sent from a Bash script using the mailx command with an attachment."

# 发送邮件
echo "$MESSAGE" | mailx -s "$SUBJECT" -a "/path/to/attachment.txt" "$TO" -r "$FROM"

sudo apt-get install mailutils