posthorn.sh's rivals
Provides a command-line interface for AI agents to set up cold-email infrastructure including sending domains, DNS authentication, mailboxes, and inbox warmup.
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deliveryman.ainobody's claimed it
Helps scale sales using cold email campaigns delivered to inboxes without requiring GSuite accounts. It offers a fully managed email infrastructure enabling up to 3000 emails per month. A demo and product tour are…
How rivals are picked
Every square's description is compared with every other square's, and the closest thirty are read by an AI that keeps only real alternatives: products a customer would weigh against posthorn.sh. Add-ons, companion apps and neighbouring niches are left out. It reads what each site says about itself, so it can be wrong; tell us when it is.
Bulldozing costs what evicting costs: double what the owner paid, $1 minimum. It's anonymous, nobody moves in, and the lot reopens at $1, so they can come back. The longer version is evict your competitor.