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dotfiles/bin/email-via-mailgun-smtp
Daniel Flanagan 026220fe26 SMTP tools
2019-12-31 16:55:45 -06:00

54 lines
1.3 KiB
Bash
Executable file

#!/usr/bin/env bash
err() {
>&2 echo "ERROR: $@"; usage; exit 1
}
warn() {
>&2 echo "$@"
}
usage() { >&2 cat <<USAGEDOC
usage:
email-via-mailgun-smtp [recipient] [subject] [username] [password] <<< 'Hello, world!'
email-via-mailgun-smtp will read all the input from stdin and use the contents as the body of the email.
recipient will default to DEFAULT_MAILGUN_SMTP_RECIPIENT if not set
username will default to DEFAULT_MAILGUN_SMTP_USERNAME if not set
password will default to DEFAULT_MAILGUN_SMTP_PASSWORD if not set
subject will default to DEFAULT_MAILGUN_SMTP_SUBJECT if not set
USAGEDOC
}
recipient="${1:-$DEFAULT_MAILGUN_SMTP_RECIPIENT}"; shift
[[ -z $recipient ]] && err 'No recipient provided.'
subject="${1:-$DEFAULT_MAILGUN_SMTP_SUBJECT}"; shift
[[ -z $subject ]] && warn 'No subject provided. Leaving blank.'
username="${1:-$DEFAULT_MAILGUN_SMTP_USERNAME}"; shift
[[ -z $username ]] && err 'No username provided.'
password="${1:-$DEFAULT_MAILGUN_SMTP_PASSWORD}"; shift
[[ -z $password ]] && err 'No password provided.'
warn "Reading email body from stdin..."
body=""
while read -r line; do
body="${body}\n${line}"
done
echo "Recipient: $recipient"
warn "Finished reading body. Sending email..."
swaks --auth \
--server smtp.mailgun.org \
--au "$username" \
--ap "$password" \
--to "$recipient" \
--h-Subject: "$subject" \
--body "$body"