Deliverability glossary · Updated 2026-10-27
Buying signals
Also called: Intent signals
Buying signals are actions suggesting a person or company may be ready to buy, such as engaging with a competitor, visiting your pricing page, changing jobs, hiring for a related role or raising money. Outreach tools use them to decide who to contact, and when.
Signals come in two kinds. Third-party signals are public activity: a funding round, a job post, a new VP, a comment under a competitor’s LinkedIn post. First-party signals come from your own product and site, like a signup, a teammate invite, a usage limit reached or the pricing page opened twice in a day.
Third-party signals are what tools like Gojiberry sell. Their reach depends on where buyers are visible, which in practice mostly means LinkedIn, so a buyer group that rarely posts leaves little to detect.
First-party signals are the strongest and the most often ignored. A trial user who just connected a third mailbox is telling you more than any LinkedIn like. The hard part is plumbing: the event has to reach whatever sends the email, quickly and with its details attached.
Whatever the source, a signal is a reason to write, not a script. The email still has to say in one sentence why you are writing now, without sounding like you have been watching.
How Raechly handles it
Raechly does not watch LinkedIn or sell intent data. It finds people who match an audience you confirm and writes to each one with what it can read about their company, so the reason to write now comes from you: a signal you spotted, a launch, a hire.
Related terms
AI SDR
An AI SDR is software that does the prospecting work of a sales development rep: finding people who fit your ideal customer, writing to each one, sending and following up, then handing interested replies to a person.
Reply capture
Reply capture is the inbound routing that delivers replies back into your sending platform.
Back to the full deliverability glossary, or read how these pieces fit together in how Raechly protects deliverability.