Here is a brief summary of Spire.Email for .NET features.

Supported Formats

• Microsoft Outlook: MSG, PST, OST
• Email: EML, EMLX, TNEF, MHTML

Main feature

• Easily create email with HTML/Text mail body
• Add, Extract, and Delete attachment
• Load and Save messages from and to file or stream (EML, EMLX, MSG or MHTML formats)
• Email file format conversion (EML, MSG or MHTML formats)
• Send and receive emails using SMTP, POP3 and IMAP protocols
• Get mailbox and messages info, retrieve and delete messages from server using POP3 protocols
• Create, Delete, Select and Rename folders using IMAP protocols
• Manipulate outlook storage files i.e. PST and OST