Smtp email not config ? how to adding .envfile in bitnami APAS

export REDASH_MAIL_SERVER=“email-smtp.us-east-1.amazonaws.com
export REDASH_MAIL_PORT=“587”
export REDASH_MAIL_USE_TLS=“True”
export REDASH_MAIL_USE_SSL=“True”
export REDASH_MAIL_USERNAME=“xxxxxxxxx”
export REDASH_MAIL_PASSWORD=“xxxxxxxxxx”
export REDASH_MAIL_DEFAULT_SENDER="hello@test.com"
export REDASH_HOST=“xxxxxxxcom”

how to adding .env
please please step and command