Sendmail.py: A simple script that uses mailgun.org to send an email

sendmail.py

#!/usr/bin/env python3

import requests
import sys
import os

## Send stdin as an email with first cmdline arg as subject


# could also hardcode thes
apikey = os.environ['MAILGUN_API_KEY']
mgdomain = os.environ['MAILGUN_DOMAIN']
targetmail = os.environ['TARGET_EMAIL']

name = "Mailgun bot"

text = sys.stdin.read()

subject = sys.argv[1]

url = "https://api.mailgun.net/v3/" + mgdomain + "/messages"
sender = name + " <mailgunbot@" + mgdomain + ">"

r = requests.post(
    url,
    auth=("api",apikey),
    data={
        "from": sender,
        "to": [targetmail],
        "subject": subject,
        "text": text
    }
)
print(r.text)