LinkedIn InMail: What It Is and How to Use It Effectively in 2026

What Is LinkedIn InMail?

LinkedIn InMail is a premium messaging feature that allows you to send direct messages to any LinkedIn member, regardless of whether you are connected. Unlike standard LinkedIn messages, which require a 1st-degree connection, InMail breaks through that barrier and lets you reach decision-makers, potential clients, candidates, and industry leaders directly.

InMail messages are available through LinkedIn Premium, Sales Navigator, and Recruiter subscriptions. Each subscription tier comes with a different monthly InMail allocation.

How InMail Differs From Regular Messages

Feature	Regular Message	InMail
Requires connection	Yes (1st-degree)	No
Available on free plan	Yes	No
Monthly limit	Unlimited	Varies by plan
Credit refund	N/A	Yes, if replied within 90 days
Subject line	No	Yes
Character limit	Same	Same
Response rate	Higher (known contact)	Lower (cold outreach)

InMail Allocations by Plan

Different LinkedIn subscription tiers offer different numbers of InMail credits per month:

• LinkedIn Premium Career: 5 InMail credits per month
• LinkedIn Premium Business: 15 InMail credits per month
• LinkedIn Sales Navigator Core: 50 InMail credits per month
• LinkedIn Recruiter Lite: 30 InMail credits per month
• LinkedIn Recruiter: 150 InMail credits per month

Unused credits roll over for up to 90 days, depending on your plan. If a recipient responds to your InMail within 90 days, the credit is returned to your account.

How to Send an Effective InMail

Step 1: Research Your Recipient

Before writing a single word, study the recipient's profile. Look at their recent posts, job history, shared connections, and interests. This research informs your personalization and shows the recipient you have done your homework.

Step 2: Write a Compelling Subject Line

Your subject line determines whether your InMail gets opened. Keep it short, specific, and relevant to the recipient. Avoid generic phrases like "Great opportunity" or "Quick question."

Strong subject lines:

• "Your post on [topic] sparked an idea"
• "Fellow [industry] professional with a question"
• "[Mutual connection] suggested I reach out"

Step 3: Lead With Value

Open your message with something relevant to the recipient, not about yourself. Reference their work, a shared interest, or a specific challenge their company might face.

Step 4: Be Concise

Keep your InMail under 150 words. Longer messages see significantly lower response rates. Get to the point quickly and clearly.

Step 5: Include a Clear Call to Action

End with a specific, low-commitment ask. Instead of "Let me know if you want to chat," try "Would a 15-minute call next Tuesday work to discuss this?"

InMail Best Practices

• Personalize every message: Templates are obvious and get ignored. Reference specific details from the recipient's profile.
• Send during business hours: InMails sent Tuesday through Thursday during business hours see the highest open rates.
• Follow up thoughtfully: If you do not get a response, wait at least a week before following up. One follow-up is acceptable; multiple follow-ups are not.
• Track your metrics: Monitor your InMail acceptance rate and adjust your approach based on what works.
• Avoid attachments in first messages: They can trigger spam filters and make your message feel like a mass blast.

Common InMail Mistakes

• Sending the same template to everyone
• Writing long paragraphs about yourself or your company
• Being too aggressive with the ask
• Not researching the recipient beforehand
• Using clickbait subject lines
• Sending InMails on weekends or late at night

When to Use InMail vs. Other Outreach Methods

InMail is most effective when:

• You have no mutual connections for a warm introduction
• The recipient is a senior decision-maker unlikely to accept connection requests
• You need to make a professional first impression
• You are recruiting for a specific role

Consider alternatives when:

• You share mutual connections who can introduce you
• The person is active in LinkedIn Groups where you can engage naturally
• You can engage with their content first to build familiarity

Related Terms

• LinkedIn Connection Degrees: The system that determines your relationship distance to other members
• LinkedIn Sales Navigator: Advanced sales tool with enhanced InMail capabilities
• Open Profile: A Premium setting that lets anyone send free InMail to the user

Frequently Asked Questions

Is InMail worth paying for?

If you rely on LinkedIn for sales, recruiting, or business development, InMail is a valuable tool. The credit refund system means you only lose credits on messages that go completely unanswered. For casual networking, connection requests and content engagement may be sufficient.

What is a good InMail response rate?

The average InMail response rate is around 10-25%, depending on your industry and targeting. Well-personalized InMails from relevant senders can see response rates above 30%.

Can you send InMail to anyone?

You can send InMail to most LinkedIn members. However, some users opt out of receiving InMail messages in their privacy settings, in which case you will not be able to reach them through this channel.

Do InMail credits expire?

Unused InMail credits roll over month to month but expire after 90 days. Credits returned from responded messages also follow this expiration cycle.

What happens if someone does not respond to my InMail?

If the recipient does not respond within 90 days, you lose that InMail credit. The message remains in their inbox and they can still respond later, but the credit will not be returned after the 90-day window.

Improve Your LinkedIn Outreach Strategy

Effective LinkedIn outreach combines great InMail with consistent, valuable content on your profile. AdaptlyPost helps you maintain an active LinkedIn presence that supports your outreach efforts, so when prospects check your profile after receiving your InMail, they find a credible, engaged professional.