InMail messages is a premium feature, and it allows you to directly message another LinkedIn member that you're not connected to. If you have a Basic (free) account, then you can only directly message LinkedIn members that you’re connected to. You must upgrade to a Premium account to use InMail messages. You can’t message a member if they’ve chosen not to receive InMail messages in their message preferences settings.

You’re allotted a specific number of InMail message credits based on your subscription type. You can find the number of InMail message credits you have from your My Premium page.

Premium InMail message credits can't be used to send InMail messages on Sales Navigator or LinkedIn Recruiter.

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