Приложение для проверки почты на валидность. Возможность проверки почты на правильность через сервис Kickbox. В качестве результата проверки есть несколько исходов:
- invalid_email - Specified email is not a valid email address syntax
- invalid_domain - Domain for email does not exist
- rejected_email - Email address was rejected by the SMTP server, email address does not exist
- accepted_email - Email address was accepted by the SMTP server
- low_quality - Email address has quality issues that may make it a risky or low-value address
- low_deliverability - Email address appears to be deliverable, but deliverability cannot be guaranteed
- no_connect - Could not connect to SMTP server
- timeout - SMTP session timed out
- invalid_smtp - SMTP server returned an unexpected/invalid response
- unavailable_smtp - SMTP server was unavailable to process our request
- unexpected_error - An unexpected error has occurred
- Документация от сервиса - Kickbox
- Работа с API через URLSession
- Полностью на UIKit
- Auto Layout
- Градиентные кнопочки из репо
