Utility Features - MailMessage
Encrypting and Decrypting Messages
Aspose.Email provides facility to Encrypt and decrypt Email messages. This topic shows how an existing or new message can be loaded and encrypted using MailMessage. The encrypt() and decrypt() methods return the MailMessage object for the applied effects and needs to be taken care of while encrypting/decrypting messages. Encrypting and decrypting messages involves the following steps:
- Create a new message or load an existing one
- Encrypt the message using the certificate file
- Send the message or save it
- Decrypt the message as required
The following code snippet shows you how to encrypt and decrypt messages.
Checking a Message for Encryption
MailMessages Containing TNEF attachments
Transport Neutral Encapsulation Format (TNEF) is a proprietary email attachment format used by Microsoft Outlook and Microsoft Exchange Server. The Aspose.Email API allows you to read email messages that have TNEF attachments and modify the contents of them. The email can then be saved as a normal email or to the same format, preserving TNEF attachments. This article shows different code samples for working with messages containing TNEF attachments.
Reading Message by Preserving TNEF Attachments
The following code snippet shows you how to read a message by preserving TNEF attachments.
Updating Resources in a TNEF Attachment and Preserving TNEF Format
The following code snippet shows you how to update resources in a TNEF attachment and preserve the TNEF format.
Adding New Attachments to Main Message Containing TNEF
Creating TNEF EML from MSG
Outlook MSGs sometimes contain information such as tables and text styles that may get disturbed if these are converted to EML. Creating TNEF messages from such MSG files allows us to retain the formatting and even send such messages via the email clients retaining the formatting.
To create the TNEF, the following sample code can be used.
Detect if a Message is TNEF
Processing of Bounced Messages
It is very common that a message sent to a recipient may bounce for any reason such as an invalid recipient address. Aspose.Email API has the capability to process such a message for checking if it is a bounced email or a regular email message. The CheckBounced method of the MailMessage class returns a valid result if the email message is a bounced email.
This article shows the usage of BounceResult class that provides the capability of checking if a message is a bounced email. It further gives detailed information about the recipients, action taken and the reason for the notification.
Bayesian Spam Analyzer
Aspose.Email provides the facility of e-mail filtering using the Bayes spam analyzer. It provides the SpamAnalyzer class for this purpose. This article shows how to train the filter to distinguish between the spam and regular emails based on the words database.