How to write LinkedIn InMails that are scalable and personal at once

What makes a good LinkedIn InMail?

A LinkedIn InMail is a direct message to someone outside your network. It's meant as a first point of contact, for example with a candidate or a potential client. Unlike a connection request, an InMail lets you share a bit more, but keep it concise all the same. Well-built InMails consist of three parts: a relevant opening, a bridge to your reason for contact, and one clear question or proposal.

The first two sentences are crucial. Mention something concrete that stands out in someone's profile, such as their education, a recent post or a shared interest. Then briefly explain why you're reaching out. Close the message with a low-threshold call-to-action, such as a suggestion for a quick call.

Want to get started straight away? See how our InMail module works and get access to practical segment examples and text suggestions based on profile signals.

The 10 most important best practices for effective InMails

1. Use a concrete profile signal as your hook

Pick one detail that stands out immediately in the profile, such as a tool they use, a conference they attended, or a shared contact. Example: "I saw you spoke at the event on AI in healthcare. Could I ask you a quick question about your experience with data-driven applications?"

2. Keep your opening short and focused

Skip lengthy introductions and information about yourself. Instead, get straight to the reason for your message. People often decide within a few seconds whether to keep reading, so be clear quickly.

3. Write one clear, soft CTA

Ask for one specific action, such as a short call. Don't offer a menu of options or ask multiple questions. Example: "Would you be open to a quick call this week?"

4. Be compact and mobile-friendly

Write in short blocks of two lines. Avoid long sentences and dense blocks of text. A clear layout makes your message easier to read on mobile and lowers the barrier to reading it.

5. Use no more than three signals per segment

Limit yourself to the three most important profile traits for your audience, such as location, experience and language. That keeps it relevant and clear. Too much information works against you.

6. Match your tone of voice to the segment

Speak your audience's language. Someone in tech expects a different tone from someone in healthcare or a board-level executive. Adjust style, length and content to what feels natural to them.

7. Test 2 to 3 variants per segment

Run small tests per audience with different approaches. Track replies and measure how much time each version takes. Then pick the best one as the standard template within your team.

8. Always follow up with new value

Wait 3 to 7 days after your first message, then send a follow-up with additional content. Add a new angle, a relevant article or a different reason to reach out. Avoid repeating yourself without adding anything.

9. Know the difference between InMail and a connection request

Use a connection request for ultra-short messages or quick check-ins. Choose an InMail when you want to share content, make a proposal, or ask an important question. Each type of message has its place.

10. Avoid generic mistakes

• Don't open without a clear hook from the profile
• Avoid jargon or abbreviations without context
• Ask for only one action, not more
• Use visual formatting with clear white space

How segmentation and testing make your approach scalable

Effective InMails are tailored to the audience. For IT profiles, technical content works well, while healthcare professionals respond better to short, location-focused messages. By consistently testing three to five variants per segment and saving your best-performing message, you build a useful library for your team.

This keeps you consistent in tone and message, and stops everyone reinventing the wheel on their own. Want to know how recruitment agencies approach this? See how they make personal InMails scalable while keeping control over style and content.

How a copilot takes work off your hands without losing control

Our copilot works directly inside LinkedIn Recruiter (Lite or Seat). You select a profile, get suggestions based on profile signals, and adjust the text and tone yourself. You only send the message once it feels right. Nothing happens automatically. Everything goes through your manual review.

It gives you speed without sacrificing personalisation. You can process more profiles in less time, without it feeling generic. Read more about how our InMail module works to write strong messages faster, from profile selection through to sending.

Practical examples: what works for whom?

IT profiles: A short intro on technology or projects. Show concrete content and keep it concise.
Example: "I saw you work with Kubernetes. We're looking for someone with your experience for a healthcare platform. Would you be open to a quick chat?"

Healthcare professionals: Get to the point quickly and respect their time. Mention location, sector and flexibility.
Example: "You have experience in elderly care. We're looking for someone for a flexible project in your area. Would it suit you to have a quick chat?"

Executives: Connect with their substantive position or vision. No sales talk, just relevance.
Example: "I read your piece in the FT on social value. Could I speak with you briefly about an interim project that ties into that?"

Want to see what this delivered? Read the results from practice and discover how teams achieved more conversations and less work with personal InMails.

What you need to know about follow-ups

Good follow-ups aren't repeats. Give new information, a different angle or a second hook. Wait at least three days before following up, and keep a friendly tone. Coming across as pushy lowers your chances of a reply.

Working with suggestions from your LinkedIn workflow

You don't need to change how you work. You select profiles on LinkedIn manually. We show matching suggestions. You adjust them, approve them, and only send once they're right. That prevents automation without nuance, and keeps everything in your voice.

Once you have a template that works well, save it per segment. That way you work faster and more consistently at the same time. Want to know more? Read how our integration with LinkedIn supports your existing workflow.

Mini checklist: a strong InMail in four steps

• Start with a concrete profile signal
• Build a logical bridge to your offer or question
• Ask one clear, friendly CTA question
• Close with a polite sign-off or thanks

Frequently asked questions on LinkedIn InMail

What's a good subject for a LinkedIn InMail?

Choose a subject that's directly relevant to the recipient, such as a shared interest, recent activity, or a reference to a project or technology they're active in.

How long should an InMail be?

An effective message consists of 3 to 5 short paragraphs of 1 to 2 lines. That makes it easy to read on mobile and reduces the chance someone drops off before the end.

What's a good call-to-action (CTA) for an InMail?

Ask one concrete, soft question. For example: "Would you be open to a quick call this week?" Avoid asking several questions at once.

When's the best time to follow up?

Wait at least 3 days. Then send a new message with additional information or a different profile signal. Never repeat your earlier message without adding something new.

What's the difference between a connection request and an InMail?

A connection request is short and meant for quick contacts. An InMail gives room for a bit more explanation, for example for detailed vacancies, proposals or consultancy introductions.