What is InMail on LinkedIn? Why warm ones get missed

The pages that rank for this teach you how to spend an InMail credit. The expensive miss is the InMail you received and never saw. A warm note from someone who already knows you is worth more than a credit you have not used, and LinkedIn does not put that note in the same list as your connections.

This is the receiving side: what LinkedIn InMail actually is, which inbox it lands in, and a ten-minute sweep so the warm ones stop sitting there.

What LinkedIn says InMail is

LinkedIn's definition is short. InMail "allows you to directly message another LinkedIn member that you're not connected to." A Basic (free) account can message people it is connected to. To send InMail you upgrade to Premium. A member who has switched InMail off in their message preferences cannot be messaged this way (LinkedIn Help).

A few limits are published, and they are limits, not advice:

LinkedIn does not publish, on these pages, how many credits each Premium tier includes. The number that matters is the one on your own My Premium page, on the day you look. We will not fill the gap with a figure from a blog.

Where a received InMail actually goes

LinkedIn Messaging has categories (Focused, Other, Archived, Spam) and, separately, filters. One of those filters is InMail, which LinkedIn defines as "messages from people who aren't your direct connections." My Connections is a different filter (LinkedIn Help). If you live in My Connections, the InMail list is not the list you are looking at.

Sales Navigator adds a second inbox, and LinkedIn is specific about which way a message travels (Sales Navigator Help):

Two inboxes, plus a filter that hides non-connections from the connections view. That is the whole mechanism. A founder who checks "my messages" once a morning can miss a warm InMail without ignoring anyone on purpose.

The ten-minute InMail sweep

How a warm one sits for weeks

Illustrative example. A former client sends you an InMail. You check My Connections each morning, so it sits in the InMail filter, and five weeks pass with no reply. Nobody ignored it on purpose.

It is the shape of the leak the sender-side guides never mention: the message was warm because the sender already knew you, and warmth did not move it to the top of an inbox nobody opened.

If you find one of these, treat it as a reply you owe, not as a lead to work later. The same working day, one answer, one question. Our warm leads guide is the triage, and the follow-up guide is what to send once you are the one who spoke last.

What the sender-side data actually measures

LinkedIn's recruiter team has published two comparisons, and the guides repeat them as if they were a sales playbook. They are recruiter InMails, and they are uplifts against an average, not response rates:

InMail response uplift, recruiter InMails

Short and individual beats long and bulk, among recruiters, on messages that were sent. Useful if you are the sender. Silent on the question this page is about: did the recipient's ordinary inbox habit include the place the message went?

For what to write once you are in a conversation, see message templates by stage. For the rest of the inbox, the LinkedIn lead generation playbook starts with the threads you already have.

Where DealGate fits

The sweep is how you find an InMail that is not in the thread list you usually check. DealGate shows who's warming up or waiting on your reply in your LinkedIn DMs, and drafts the next message in your voice. Coming soon: replies that auto-send within caps and pacing, with a safety pause if LinkedIn shows a warning, and prospecting automation. Pricing: $0.99 for your first month, then $29/mo founding price ($49/mo list).

FAQ

What is InMail on LinkedIn?+–

A premium message you can send to a LinkedIn member you are not connected to. Free accounts can message their connections. InMail uses credits that depend on the subscription, there is no unlimited plan, and a member can switch InMail off in their message preferences.

Where does a LinkedIn InMail show up?+–

In LinkedIn Messaging, the InMail filter is messages from people who are not your 1st-degree connections. If you did not start the thread in Sales Navigator, an InMail someone sends you appears in your LinkedIn inbox. A reply to an InMail you sent from Sales Navigator comes back to the Sales Navigator inbox.

Is InMail the same as a connection request?+–

No. A connection request asks someone to join your network, and you can add a personalised note to it. InMail is a message to someone you are not connected to, with its own credits, a subject line of up to 200 characters and a body of up to 2,000.

Do you get an InMail credit back?+–

LinkedIn says you receive the credit back if the recipient accepts the InMail. It also says you cannot buy extra credits outside the monthly allotment, and that Premium InMail credits cannot be used inside Sales Navigator or Recruiter.

Why do warm InMails get missed?+–

Because they are not in the list most people watch. The InMail filter is separate from My Connections, and a Sales Navigator user has a second inbox. A message can be warm and still sit unread if you only open one of those places.

Sources

Accessed 12 Oct 2026.

1. LinkedIn Help, "InMail messages": https://www.linkedin.com/help/linkedin/answer/a543895
2. LinkedIn Help, "Send an InMail message": https://www.linkedin.com/help/linkedin/answer/a546814
3. LinkedIn Help, "Use filters and search for messages in LinkedIn Messaging": https://www.linkedin.com/help/linkedin/answer/a542831
4. LinkedIn Sales Navigator Help, "Messages in Sales Navigator Inbox or LinkedIn Inbox": https://www.linkedin.com/help/sales-navigator/answer/a105008
5. LinkedIn Talent Blog, "These InMails get the best response rates" (recruiter InMail data): https://www.linkedin.com/business/talent/blog/talent-strategy/these-inmails-get-best-response-rates