| Name | Lines of code | Maintainability | Test coverage |
| lib/truemail/dns/worker.rb | 38 | A 0 mins | A 100% |
| lib/truemail/log/serializer/validator_base.rb | 42 | A 0 mins | A 100% |
| lib/truemail.rb | 45 | A 0 mins | A 100% |
| lib/truemail/validator.rb | 51 | A 0 mins | A 100% |
| lib/truemail/log/serializer/validator_text.rb | 52 | A 0 mins | A 100% |
| lib/truemail/core.rb | 58 | A 0 mins | A 100% |
| lib/truemail/validate/smtp.rb | 61 | A 0 mins | A 100% |
| lib/truemail/log/serializer/base.rb | 69 | A 0 mins | A 100% |
| lib/truemail/validate/mx.rb | 72 | A 0 mins | A 100% |
| lib/truemail/logger.rb | 82 | A 0 mins | A 100% |
| lib/truemail/validate/smtp/request.rb | 120 | A 0 mins | A 100% |
| lib/truemail/configuration.rb | 133 | A 0 mins | A 100% |