Aspose.Email for Java 23.11

What’s new in the Aspose.Email for Java 23.11

Release Highlights

Aspose.Email for Java 23.11 introduces two major capabilities: email message validation and digital signature attachment for EML and MSG formats. This release also improves AlternateView content retrieval and resolves multiple bugs in threading, S/MIME, and conversion handling.

New Features

• Email Message Validation

  • Validate .eml, .emlx, .mht, .msg, and .oft files for structural compliance
  • Classes:
    • MessageValidator.validate(...)
    • MessageValidationResult, MessageValidationError, MessageValidationErrorType

• Attach Signature to Email

  • Use SecureEmailManager.attachSignature(...) to digitally sign messages
  • Supports detached and non-detached modes via SignatureOptions
  • Input types: MailMessage, MapiMessage + certificate (X509Certificate2)

Enhancements

• EMAILNET-41220 – MailMessage.getAlternateViewContent() made case-insensitive for media type lookup

Bug Fixes

• EMAILNET-41229 – ContentLocation not set during EML to MSG conversion
• EMAILNET-41153 – Appointment.save() is now thread-safe
• EMAILNET-41216 – Resolved unexpected characters in some .msg files
• EMAILNET-41205 – Fixed error when opening saved emails
• EMAILJAVA-35221 – Exception on setting MapiTask.setEstimatedEffort now resolved
• EMAILJAVA-35220 – Improved support for S/MIME signed emails with attachments

Public API and Backward Incompatible Changes

• New Classes

  • MessageValidator, MessageValidationResult, MessageValidationError, MessageValidationErrorType
  • SecureEmailManager, SignatureOptions

• New Methods

  • MapiMessage.attachSignature(...) via SecureEmailManager
  • MessageValidator.validate(...)

🔍 Explore the Full Release Details

For full list of updates, please visit Aspose.Email for Java 23.11 Release Notes

email validation | attach signature | mapimessage | mailmessage | s/mime