In the cyber realm, where data encryption and security are of paramount importance, the task of email investigation can be a daunting challenge. The growth of cybercrime and the sophistication of these illicit activities necessitate the development of advanced tools for forensic examination of digital evidences. These tools, often referred to as 'forensic tools for email investigation,' are essential components in a cybersecurity professional’s arsenal. They are invaluable resources in tracing digital footprints leading to culprits behind cyber-attacks, data breaches, and all kinds of digital misdemeanours.

The practice of email investigation involves analyzing, retrieving, and preserving digital evidence collected from email platforms to resolve cybercrime cases. Here, we will be focusing on top innovative forensic tools designed specifically for efficient email investigation in the cybersecurity arena.

1. ProDiscover Forensic

ProDiscover Forensic is a powerful tool used to locate and protect evidence in computer systems. Its capacity to read and process disk images, such as those created by EnCase or dd, makes it an effective tool for analyzing emails from workers' computers which have been used in illicit activities.

2. MailXaminer

MailXaminer is an advanced tool that supports a wide range of email formats, including both web-based and desktop emails. This versatile tool excels in complex investigation requirements, making it possible to analyze headers, body content, and attachments of an email in an organized way.

3. Aid4Mail

Aid4Mail serves a multitude of purposes including email migrations, archiving, and data discovery investigations. It efficiently manages large volumes of emails quickly, accurately identifies and removes duplicates, and offers password cracking methods to gain access to encrypted files.

4. Paraben's E3 Platform

E3 Platform is an all-in-one tool designed to handle smartphones' data, hard drives, and cloud data. The tool is tailored for the forensic search of hundreds of email artefacts, chat threads, and spread-out data structures present across an array of platforms.

5. EnCase Forensic

EnCase Forensic serves as a comprehensive tool for computer investigation. It’s particularly adept at bringing a variety of email formats under the scanner for robust forensic analysis, thereby enhancing the prospects of revealing miscreant activities.

6. Oxygen Forensic Suite

Oxygen Forensic Suite has a suite of tools specifically designed for extracting and gathering data from various platforms. Its robust email forensics capability, along with its ability to handle mobile and cloud data, makes it an excellent tool for digital investigators.

These innovative tools have become integral for cybersecurity practitioners to withstand monumental challenges thrown by the burgeoning email-related crimes. Despite their unique attributes, their core aim remains consistent - to trace, retrieve, and preserve evidence crucial for swiftly resolving cybercrime cases.

However, it is important to remember, that the effectiveness of these tools is highly contingent on the skill and knowledge of the operator. Hence, organizations must emphasize empowering their cybersecurity teams, not only with state-of-the-art tools but with comprehensive training and education programs.

Forensic tools for email investigation play a critical role in maintaining a secure digital environment amid the growing challenge of cyber crimes. Tools such as ProDiscover Forensic, MailXaminer, Aid4Mail, Paraben's E3 Platform, EnCase Forensic, and Oxygen Forensic Suite stand at the forefront of ensuring the digital integrity of organizations. While these tools provide an edge, organizations need to equip their cybersecurity professionals with continuous training and development to keep up with rapidly-evolving cyber threats. Therefore, marrying the power of cutting-edge tools with a well-prepared, knowledgeable workforce is the key to unlocking digital traces effectively in cybersecurity.