Fix `SMTP_DELIVERY_METHOD` being applied as default configuration
Fix `SMTP_DELIVERY_METHOD` being applied as default configuration

The docker initialization scripts (for some reason) require a space
after the `#` comment characters in the `.env.example` configuration to
not apply the configuration values for some reason.

Fixes #2846

gautamkrishnar/huginn,eugenesvk/huginn,eugenesvk/huginn,cantino/huginn,dsander/huginn,virtadpt/huginn,cantino/huginn,virtadpt/huginn,virtadpt/huginn,huginn/huginn,dsander/huginn,huginn/huginn,huginn/huginn,eugenesvk/huginn,cantino/huginn,gautamkrishnar/huginn,gautamkrishnar/huginn,dsander/huginn