General professional networks
Contact is expected, volume is resented
A short note explaining why you are contacting this specific person, with a clear and small ask.
Unsolicited contact is a normal and expected part of the platform. That is precisely why generic messages perform so poorly: members receive many of them and have become efficient at ignoring anything that reads as a template.
Paid tiers sell the ability to send, not the likelihood of a reply. No provider publishes response rates, and the volume of outreach on these platforms means a well-targeted free message usually outperforms a generic paid one.
WorksA specific reason, a small ask, no follow-up chase
FailsAnything that could have been sent to a hundred people
Industry communities
Contribute first, ask later
Joining and immediately posting an ask, or messaging members directly on arrival.
The strongest convention in this comparison. Groups are built on participation, and arriving to extract something without having contributed is the fastest way to be ignored or removed.
Many workspaces have explicit rules about direct messaging and self-promotion, often in a pinned channel that new members skip. Reading them first takes two minutes and prevents most of the common mistakes.
WorksMonths of useful answers before any ask
FailsDirect messages to members who have not engaged with you
Startup platforms
Direct contact is the design
A short, concrete message about the specific role, sent through the platform itself.
Contacting founders and hiring leads directly is an intended use rather than an intrusion, which makes this the most forgiving environment for outreach in this comparison.
The convention that does apply is brevity and specificity. Recipients are usually operators without a recruiting team, so long introductions and vague interest get deprioritised quickly.
WorksShort, role-specific, sent in-platform
FailsGeneral expressions of interest with no role attached
Aggregators and review platforms
There is no outreach channel
Trying to find a hiring manager elsewhere after applying, and mentioning the application.
These platforms deliberately have no person-to-person messaging. The application is the channel, and there is nothing to work around.
Applicants often try to bridge to a network platform to follow up. Done well, meaning once and briefly, that is generally accepted. Done repeatedly it reads as pressure and is counted against the application in practice, even where no rule prohibits it.
WorksOne brief follow-up, if any, after a reasonable interval
FailsRepeated contact across several channels
Public feeds
Public reply before private message
Engaging usefully in public first, so a later message arrives from someone recognisable.
On open feed platforms the convention is that visibility precedes contact. A direct message from an unfamiliar account is weak. The same message from someone whose name the recipient has seen is a different message.
This is slower than direct outreach and considerably more effective, which is the main reason feed activity has any professional value for people who are not trying to build an audience.
WorksSubstantive public engagement, then a short private note
FailsCold messages from accounts with no visible presence
Email and newsletters
Permission is the whole convention
Adding someone to a list because you exchanged messages once.
The norm here is also a legal question in many jurisdictions. Consent requirements for commercial email vary by country and are enforced, unlike platform conventions which are merely social.
Replying to a newsletter is generally welcomed and is one of the more reliable ways to reach a writer, because the volume of replies is far lower than the volume of platform messages.
WorksReplying directly to something you actually read
FailsAdding contacts to a list without their agreement
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All trademarks and brand names are the property of their respective owners and are used for identification only.
Conventions described are general observations of common practice, not platform rules, and were reviewed in August 2026. Each provider publishes its own terms and community guidelines, which take precedence; see for example
linkedin.com. Rules on commercial email differ by jurisdiction.
No company paid for inclusion or wording. This page is informational and is not legal, career or marketing advice, and no response rate or outcome is promised.