PHlyMail is a WebMail system with a user interface similar to a desktop application. Supports POP3/IMAP; provides folder management; can copy and move emails across servers when using IMAP; spam filtering; receive/send emails in plain file or HTML format with attachments; supports sending SMS to mobile phones; changes interface themes . Since PHlyMail adopts a modular design, it is easy to add various new functions (such as RSS, personal file storage, bookmark management, etc.). PHlyMail 4.1.4 is released. This version fixes some PHP warnings and improves the processing of forwarding status of non-UTF8 HTML emails.