Send email from bash by curl (UTF-8)

curl_mail.sh

#!/bin/bash

# send email to one recipient (content in var)
#   $host      - eg. smtp.devpack.pl
#   $port      - 587
#   $user      - admin@devpack.pl
#   $pass      - password
#   $recipient - recipient
#   $content   - message content must hace headers
#   $subject   - message subject
content=$'From: <'$user$'l> \nTo: <'$recipients$'> \nContent-Type: text/plain;charset=utf-8 \nSubject: '$subject$'\n\n'
curl --connect-timeout 15 -v --insecure "smtp://$host:$port" \
    -u "$user:$pass" \
    --mail-from "$user" \
    --mail-rcpt "$recipient" \
    -T - \
    --ssl \
    <<< "$content"


# send email to multiple recipients (content in var)
#   $recipients - email addreses divided by coma eg: 'eamil1@fancybox.pl,eamil2@fancybox.pl'
content=$'From: <'$user$'l> \nTo: <'$recipients$'> \nContent-Type: text/plain;charset=utf-8 \nSubject: '$subject$'\n\n'
curl --connect-timeout 15 -v --insecure "smtp://$host:$port" \
    -u "$user:$pass" \
    --mail-from "$user" \
    $(echo "${recipients}" | tr ', ' '\n' | xargs -r -n1 printf '--mail-rcpt %s ') \
    -T - \
    --ssl \
    <<< "$content"


# send email (content in file)
#   $pathToFile - path to file
curl --connect-timeout 15 -v --insecure "smtp://$host:$port" \
    -u "$user:$pass" \
    --mail-from "$user" \
    --mail-rcpt "$recipient" \
    -T "$pathToFile" \
    --ssl \