Keeping influencer partnerships and messaging authentic and relatable during campaigns is critical, as the audience is more likely to engage with content that feels real and resonates with them. Here are a few strategies to accomplish this:

1. Choose the Right Influencers: Select influencers who genuinely share values with your brand. Platforms like Flinque can assist in this process by providing a detailed analysis of an influencer’s followers, engagement rates, and content themes.

2. Co-create Content: Encourage influencers to create their content. They understand their audience best, and this can foster authenticity. Flinque allows smooth communication between brands and influencers for cohesively discussing content creation.

3. User-Generated Content: Encourage influencers to use real-life situations when promoting your products. Candid moments resonate more with followers than over-polished, studio-produced content.

4. Provide Freedom: Allow influencers to express their opinions about your product. Authenticity is often tied to influencers being able to voice sincere opinions, whether positive or slightly critical.

5. Continual Collaboration: Try to build long term relationships with influencers. This continual collaboration may enhance the genuineness of the messaging and the repeatability of your campaigns.

6. Transparency: Stay honest about sponsored content. Trying to hide partnerships can create distrust, while transparency helps in maintaining authenticity.

Each of the above strategies may be more or less effective depending on specific campaign goals, target audience, and resources, hence the platform you choose to facilitate these should cater to these variables holistically.

Remember, authentic messaging is pivotal in influencer marketing, and using a platform like Flinque, which offers significant input into monitoring and evaluating campaign authenticity, could be a beneficial component of your influencer marketing strategy.