The Bat

The Bat is an email client for Windows with a focus on security and privacy. Developed by Ritlabs, it offers management of multiple email accounts with advanced encryption and local storage of messages. The program includes professional features for email organization and filtering.

★★★★★

5.0(1 ratings)

• Multiple account management. Centralized administration of numerous email accounts from different providers. Each account maintains independent settings and a specific folder structure. The configuration allows defining separate incoming and outgoing servers for each identity.
• Integrated PGP encryption. Native implementation of the OpenPGP standard for encrypting and digitally signing messages. Full support for generating and managing public and private keys. The feature operates without external dependencies using the program's internal cryptographic engine.
• S/MIME support. Compatibility with X.509 digital certificates for business email authentication and encryption. Integrated management of certification authorities and certificate renewal. Automatic validation of digital signatures in received messages.
• Advanced filtering system. Multi-purpose conditional rule mechanism for automatic message classification. Filters apply actions based on header criteria, content, and technical properties. Configuration of sequential or parallel execution of multiple conditions.
• Secure HTML preview. Rendering of HTML content with active blocking of potentially malicious elements. Preventive deactivation of scripts and external objects in messages. Display of HTML source code for technical analysis.
• Hierarchical address book. Structured storage of contacts with grouping by customizable categories. Extensible fields for professional and personal contact information. Synchronization with standard vCard formats.
• Secure attachment handling. Automatic quarantine of executable files and documents with macros. Prior analysis of MIME types and potentially dangerous extensions. Selective extraction of attachments with integrity verification.
• Template system. Library of predefined messages for frequent replies and standardized communications. Dynamic insertion of environment variables and custom fields. Categorical organization of templates by usage type.
• Selective download. Granular control over message retrieval from the server based on size and age criteria. Exclusion of messages exceeding configured limits. Partial download of headers before retrieving full bodies.
• RSS subscriptions. Integrated web feed aggregator with scheduled content updates. Automatic conversion of articles to email message format. Classification of items by thematic categories.
• Local storage encryption. Transparent encryption of message databases using AES algorithms. Master password protection of the main data file. Automatic locking after configurable periods of inactivity.
• SSL/TLS communications. Transport layer encryption for all connections to mail servers. Strict verification of SSL certificates and validation of trust chains. Support for STARTTLS protocols on standard ports.
• Full-text search. Indexing and fast searching through all locally stored messages. Advanced query syntax with boolean operators and wildcards. Filtering results by time periods and specific folders.
• Automatic replies. Configuration of out-of-office and vacation messages with control over sending frequency. Activation by user-defined time intervals. Exclusion of specific recipients from automatic replies.

The Bat! was developed by Ritlabs, a company founded in Moldova. Development began in 1997 with the goal of creating an email client emphasizing security. The first public version was released in 1998. The program is primarily written in Delphi (Object Pascal) with specific components in C++.

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