Here's a few suggestions:

1. Leverage social media: Use social media platforms like LinkedIn, Twitter, and Facebook to create awareness about your mentorship platform. Share informative and engaging content that highlights the benefits of mentorship and how your platform can help professionals in the IT industry.
2. Partner with companies and organizations: Partner with companies and organizations that have employees in the IT industry. These companies can promote your platform to their employees and encourage them to sign up as mentors or mentees.
3. Offer incentives: Provide incentives such as certificates of completion, recognition badges, or free access to premium content for mentors and mentees who complete a lot of mentorship sessions.
4. Reach out to industry influencers: Reach out to influencers, bloggers, podcasters who have a strong following in IT. Ask them to promote your platform or feature it in their content. 
5. Provide a good user experience: Ensure that your platform is user-friendly, secure, and easy to navigate. Make sure the process is hassle free and provides a valuable experience to the users. Happy users are more likely to recommend your platform.
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