Other1.6/5Verified Sep 28, 2026
Mailscale
Started as a cold email inbox provider, now an AI-run outbound platform with pre-warmed domains and unpublished, call-only pricing.
Pricing on their site
Mailscale review →Other outbound tools
Tools that sit next to cold email infrastructure: mail merge, CRMs and agent email APIs.
Other outbound tools compared
Published prices on the dates shown on each profile. Score is the PureMail rubric score out of 5 (how we score).
| Tool | Price | Mailbox types | Setup | Warmup | Score |
|---|---|---|---|---|---|
| Mailscale | Pricing on their site | Not stated | Mailscale says campaigns launch in under 60 seconds once onboarded | Pre-warmed outreach domains are included in the service; the mailbox provider behind them is not stated | 1.6 / 5 |
| Unipile | From $3.50 per connected account per month at 5,001 or more accounts; $55 a month minimum covers up to 10 accounts, then $5.50 an account for 11 to 50 | Not stated | Hours for a developer: create an account, get an API key, connect accounts through the hosted authentication flow, subscribe to webhooks | Not applicable; Unipile is an API layer, not a sender | 3.4 / 5 |
Other3.4/5Verified Oct 9, 2026
Unipile
Unified API for LinkedIn, WhatsApp, Instagram, Telegram, Gmail, Outlook and IMAP: $55 a month for up to 10 accounts, then $5.50 down to $3.50 an account.
From $3.50 per connected account per month at 5,001 or more accounts; $55 a month minimum covers up to 10 accounts, then $5.50 an account for 11 to 50
Unipile review →