LinkedIn has no built-in way to send one message to many people as separate private chats. The legitimate options are a group chat with up to 50 first-degree connections, where everyone sees everyone; InMail within your plan’s monthly credits; paid Sponsored Messaging; and broadcast formats such as posts, newsletters and events. Third-party tools can send individual messages in bulk, but LinkedIn’s terms prohibit automated messaging, and identical mass messages are mostly ignored or reported. A smaller list of people who already recognize your name does better.
01 First, work out which of four jobs you are doing
People who ask about bulk messages usually want one of four things, and each has a different right answer.
Telling your existing network something. A new role, an event, a launch. This is broadcast, and LinkedIn has good tools for it.
Coordinating a known group. Speakers on a panel, a project team, a cohort of alumni. A group chat handles this.
Following up with people who recently connected. Individual messages, written or at least checked one at a time.
Reaching a lot of strangers. This is what most “bulk message” tools are sold for, and it is the job LinkedIn’s design and rules push against hardest.
Decide which one applies before you pick a method. Most disappointment comes from using a stranger-outreach method for a broadcast job, or the reverse.
02 Every native option and its limit
These are the routes LinkedIn itself provides for reaching more than one person. Figures are from LinkedIn’s help center unless marked as reported.
- Group chat. Start a conversation with two or more first-degree connections and add up to 50 members. Everyone sees everyone, shares the history and can add or remove people. It is a shared room, not 50 private messages.
- One-to-one messages to connections. Free, with no published cap, but sent one at a time. There is no native mail merge.
- InMail. Private messages to people you are not connected to, paid in credits: 5 a month on Premium Career, 15 on Premium Business, 50 on Sales Navigator Core, 30 on Recruiter Lite. A credit comes back if the recipient responds within 90 days.
- Open Profile messages. Premium members can opt to receive free messages from anyone, so you can write to them without spending a credit.
- Group and event message requests. Sharing a group or an event can let you message a fellow member without connecting. Group admins can send up to 50 such requests a day to members of their own group. Allowances for ordinary members are small, and reported figures vary.
- Sponsored Messaging. Paid ads delivered to the inbox through Campaign Manager. True one-to-many messaging, clearly labeled as sponsored, and not available for targeting members in the European Union.
- Posts, newsletters and events. Public broadcast. A newsletter notifies its subscribers of each edition. An event lets you invite connections and post updates for attendees.
- Page follower invitations. Page admins receive a monthly allowance of credits for inviting connections to follow a company page.
03 What third-party bulk senders do
Because LinkedIn has no mail merge, a market of tools supplies one. You select a list of connections or a search result and write a template with merge fields. The tool opens each conversation and sends the message, usually with a pause between sends. Many chain this to automated connection requests, so a new connection gets a message without you touching anything.
LinkedIn’s rules cover this plainly. The User Agreement tells members not to use bots or other unauthorized automated methods to send messages. The help center says third-party software that automates activity is not permitted and that accounts using it may be restricted. Our guide to automation risk sets out what that means in practice.
LinkedIn publishes no daily message cap, so any “safe number” a vendor quotes is that vendor’s own convention. What LinkedIn acts on is clear enough from its help pages: volume in a short time, and recipients who ignore or report what you send.
The honest summary is that these tools function, they are widely used, and they carry real account risk that rises with volume and with how unwelcome the messages are. Icebreakly is not one of them. It does not send messages of any kind.
04 Why one message to 500 people falls flat
Leave the rules aside. Bulk messages mostly fail on their own terms, and the reasons are mechanical.
A message written for 500 people has to be true of all 500. That forces it to be general, and general messages read as mass mail. People recognize the form within a line: the first name, the compliment that could apply to anybody, the pivot to “I help companies like yours”.
The inbox is personal space. A post in the feed can be scrolled past. A message demands a decision: answer, ignore or report. Strangers who feel pushed pick the second or third, and reports count against the sender.
Merge fields do not fix it. Inserting a company name is different from saying something about the company. Readers can tell.
The sender is unknown, and this matters most. An identical message from a name the recipient has seen and respected gets read differently. Much of what looks like a copywriting problem is a familiarity problem.
05 If you must message many people, do it decently
For true broadcast, use broadcast. A post reaches your network without landing in anybody’s inbox, and those who care can respond. A newsletter builds a list of people who asked to hear from you. Both are bulk messaging that LinkedIn is designed to carry.
Sometimes there is a good reason to write to a lot of connections directly: a webinar next week, a product change that affects customers, a request for introductions. The practices below keep it respectable.
- Cut the list. Message the 60 people it truly concerns, not all 2,000 connections.
- Split it into small groups with something in common, and write a version for each.
- Send by hand, in batches of ten or twenty a day. It takes less time than you expect.
- Open with a line only that person could receive. One sentence is enough.
- Say why you are writing to them in particular, and what you are asking for.
- Make it easy to decline. “No reply needed if this is not for you” lowers the temperature.
- Follow up once at most on a message nobody asked for.
06 When the people you want do not know you
Here bulk messaging is least effective and most tempting. The list is long, the people are valuable, and you have no relationship with any of them.
The alternative is to earn the relationship first, in public. Pick the 50 to 100 people who matter most. Each time one of them posts, leave a comment that adds something. Do this for several weeks. By the time you send a message, it comes from a name they have seen under their own posts again and again.
Consider what that changes. A head of finance receives two messages on the same morning. One is from a stranger and opens with her first name and her company. The other is from someone who, two weeks ago, asked a sharp question on her post about audit preparation, and who mentions it. She answers the second.
One comment will not do this. A dozen or more, spread over weeks, will. It is slower than pressing send on 500 messages, and it works on a list a tenth the size. For deals of any value that is a good trade.
This is the part Icebreakly automates. It monitors the leads you choose, drafts a comment in your voice on each new post, lets you approve each one or run on Autopilot within guardrails, and tracks how many touches each lead has had. When the tracker shows someone at twelve touches or more, you write to them yourself. It is third-party automation, so LinkedIn’s terms do not permit it, and LinkedIn has said it will act on automated comments that nobody reviews. Treat Approval mode as the default.
07 Recruiters, agencies and event hosts
Three groups ask about bulk messaging more than anyone else.
Recruiters have the strongest native tool. LinkedIn’s Recruiter products are built for contacting non-connections, with InMail allowances and templates. A short list of well-matched candidates, each sent a note that mentions something specific in their background, beats a large blast. For passive candidates you badly want, commenting on their posts for a few weeks first gives the eventual InMail a far better chance of being opened. See comment warming for recruiters.
Agencies running outreach for clients feel the volume pressure most, because clients count messages sent. Volume across many client accounts multiplies the risk to accounts that belong to somebody else. Agree with each client what is being done on their profile, and consider reporting on conversations started instead of messages sent. The agency page shows how warming runs across a client roster.
Event hosts have a ready-made channel. Create a LinkedIn event, invite connections through it and post updates there. Attendees opted in, so the messages are expected.
08 The short version
To tell many people something, post it or publish a newsletter. To coordinate a group, use a group chat. To reach a few valuable strangers, use InMail sparingly or, better, warm them first. To follow up with new connections, write to them one at a time.
Third-party bulk senders exist and LinkedIn prohibits them. If you use one, keep volumes low and messages relevant, and accept that the account is at risk. Our pages on message automation and InMail automation describe how those tools work and what they cannot do.
The message that gets answered is nearly always the one from a familiar name. Icebreakly exists to build that familiarity with the leads you choose, and the pricing page lists the plans and the free trial.
09 The procedure, one step at a time
- 01
Name the job
Write one sentence describing what you need: an announcement to your network, coordination of a known group, follow-up with recent connections, or first contact with strangers. The answer decides which of the next steps applies. Skip the ones that do not.
- 02
For an announcement, publish it
Write a post that states the news in the first two lines and says who it is for. If you will have regular updates, start a LinkedIn newsletter so that subscribers are notified of each edition. Nothing lands in an inbox uninvited.
- 03
For a known group, start a group chat
Open Messaging, start a new message and add the first-degree connections who need to be included, up to 50. Give the conversation a name and say in the first message why everyone is there. Remember that every member sees every reply.
- 04
For many connections, segment and send by hand
Reduce the list to the people the message truly concerns. Group them by what they have in common and write a short version for each group. Send ten to twenty a day yourself, adding one line that is specific to each recipient.
- 05
For a few strangers, use InMail within your credits
Choose the handful of people who fit best. Write a subject line and three or four sentences that mention something particular to them and make one clear request. Spread the sends across the month and do not chase more than once.
- 06
For strangers who matter most, warm them first
List 50 to 100 named people and check that they post. Comment on each new post with something specific, about once per person per day at most, for several weeks. Count the touches by hand or with Icebreakly’s tracker.
- 07
Write to warm leads one at a time
When a lead has seen about twelve comments from you, or has replied to one, send a connection request with a note that mentions the exchange. After they accept, send a short personal message. This is slow by design, and each message has a reader who knows who you are.
- LinkedIn has no native feature that sends one message to many people as separate private conversations.
- A group chat holds up to 50 first-degree connections and is visible to all of them. It suits coordination, not outreach.
- InMail reaches non-connections within monthly credits: 5 on Premium Career, 15 on Premium Business, 50 on Sales Navigator Core and 30 on Recruiter Lite.
- Third-party bulk senders work by automating individual messages. LinkedIn’s terms prohibit automated messaging, and the account risk rises with volume and with unwelcome content.
- Mass messages underperform because they are general, they intrude on a private inbox, and they come from a name the recipient does not know.
- For valuable strangers, become familiar first by commenting on their posts for several weeks, then write to them one at a time. Icebreakly automates the commenting, not the messaging.
Q&A Questions readers ask
Does LinkedIn have a bulk messaging feature?
Not in the sense most people mean. There is no native way to send the same message to many people as separate private conversations. LinkedIn offers group chats of up to 50 first-degree connections, InMail to non-connections within monthly credit limits, paid Sponsored Messaging through its ads platform, and public broadcast through posts, newsletters and events.
How many people can I message at once on LinkedIn?
A group chat can include up to 50 members, and you start it with first-degree connections. All participants see each other and share the full conversation history, so it behaves like a shared room. Individual messages to connections have to be sent one conversation at a time, because LinkedIn provides no mail-merge function for members.
Is there a daily limit on LinkedIn messages?
LinkedIn does not publish a daily cap on messages to your first-degree connections. It does publish some related limits: monthly InMail credits that depend on your plan, and 50 message requests a day for group admins contacting members of their own group. Figures you see quoted for “safe” daily message volumes are conventions from tool vendors, not LinkedIn rules.
Is using a bulk messaging tool against LinkedIn’s rules?
Yes. The User Agreement tells members not to use bots or other unauthorized automated methods to send messages, and the help center says third-party software that automates activity on LinkedIn is not permitted. Accounts that use such tools can be restricted temporarily or permanently. The tools are widely used despite this, and the risk grows with volume and with how often recipients ignore or report the messages.
How can I message someone I am not connected to?
There are four native routes. Send an InMail if you have credits on a Premium, Sales Navigator or Recruiter plan. Message them free if they are a Premium member with Open Profile switched on. Use a message request if you share a group or an event, within the small allowance LinkedIn gives. Or send a connection request with a short note and message them once they accept.
Why do bulk LinkedIn messages get so few replies?
Three reasons work together. A message that must apply to hundreds of people ends up general, and readers recognize general messages as mass mail. A private inbox feels personal, so an unrequested pitch there is more intrusive than a post in the feed. And the sender is usually a stranger. A similar message from a name the recipient already recognizes is received very differently.
What is the difference between InMail and Sponsored Messaging?
InMail is a personal message from your own account to someone you are not connected to, paid for with the monthly credits in your plan. Sponsored Messaging is an advertising format bought through Campaign Manager and delivered to many members’ inboxes, labeled as sponsored. InMail suits a few carefully chosen people. Sponsored Messaging is a marketing channel with an ad budget, and it cannot target members in the European Union.
How do I tell all my connections about an event?
Create a LinkedIn event and invite connections through the event page, then publish a post about it. Both are designed for this and neither puts an unrequested message in someone’s inbox. If particular people really should attend, write to those few individually with a line on why it is relevant to them. That gets a better response than a blanket message.
Does Icebreakly send bulk messages?
No. Icebreakly does not send direct messages, InMail, connection requests or follow-up sequences. It monitors the leads you choose, drafts and posts comments on their posts in your voice, and tracks how many touches each lead has had. The point is that when you do write to someone yourself, your name is already familiar to them.
What works better than bulk messaging for cold prospects?
Becoming known before you write. Choose a short list of the people you most want to reach, and comment thoughtfully on their posts over several weeks. After a dozen or so comments your name is familiar, and a personal connection request or message gets a much warmer reception than a mass message from a stranger. It handles fewer people, and it suits deals where each one is worth the patience.
Be a familiar name before you reach out.
Icebreakly watches the leads you choose and drafts a comment in your voice whenever one of them posts. You approve each draft, or let Autopilot post inside your guardrails. It sends no invitations or messages, and like every third-party LinkedIn tool it carries some account risk. The trial is free for 7 days.