Outbound teams whose primary channel is cold email at scale.
Sales-led teams with a defined ICP running cold-email sequences across mailboxes or subdomains.
Autonomous digital worker built for enterprise outbound.
AI BDR with built-in data, deliverability and sequencing.
Affordable autonomous SDR agent for lean teams.
AI copilot plus Duo agent for full-cycle outbound.
Fast-to-deploy AI SDR built for SMB and mid-market.
If your motion is inbound-heavy and outbound only backfills — start with Knock AI as your inbound agent and layer an outbound tool later.
Read the Knock AI review →Email deliverability is the probability that a sent email lands in the primary inbox rather than spam or Promotions.
Three DNS-based standards that authenticate who is allowed to send email on behalf of your domain.
The practice of gradually ramping outbound volume from a new mailbox to establish sender reputation.
A sequence (or cadence) is a scheduled series of outreach touches — email, LinkedIn, calls — across multiple days.
11x for enterprise autonomy, Artisan for bundled data + inboxes, Salesforge for pure-email unit economics. All three ship with inbox infrastructure and warmup.
Only if operated badly. Volume without SPF, DKIM, DMARC and warmup produces mailbox penalties. Any of our top three ship with those primitives built in.