This is a SMTP backend for Lager. It allows you to send email messages out of lager via SMTP server.
This backend is configured using proplist with contents similar to the following example:
{lager_smtp_backend, [
{level, error},
{from, <<"from@example.com">>},
{to, [<<"to@example.com">>]},
{relay, <<"smtp.example.com">>},
{username, <<"from@example.com">>},
{password, <<"secret_password">>},
{port, 587},
{ssl, true},
{flush, true},
{flush_interval, 20000}
]}
Note that to is a list of recipients, that is mandatory. Mandatory arguments are only from, to and relay, example shows defaults.