smtp2http docker-compose demo

how to run

docker-compose up -d

test with smtp server

• send smtp message

docker-compose start send

• watch webhook message

docker-compose logs -f benthos

• some log message

benthos_1    | get email message: addresses%5Bbcc%5D=&addresses%5Bcc%5D=&addresses%5Bfrom%5D=1141591465%40qq.com&addresses%5Bto%5D=dalongrong%40qq.com&body%5Bhtml%5D=&body%5Btext%5D=dalongdemo%0A%0A%0A%0D%0A.%0D&id=%3C1544615810098.0.28%40aa65cd708904%3E&subject=dalongdemo