Imports github.com/aws/aws-lambda-go/lambda github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/cloudwatch github.com/aws/aws-sdk-go/service/ses github.com/gocarina/gocsv Standard library imports bytes context fmt log mime/multipart net/textproto os strings time