Land in the inbox —
and know why you did.
Vaakio checks your authentication before every send, runs each campaign through a spam-filter simulator, and keeps your list clean so complaint rates stay low and senders stay trusted.
Catch the problem
while it's still cheap.
Authentication mistakes and blocklisted links are the silent killers of an email program. Vaakio surfaces them on the review screen, not in a bounce report.
SPF, DKIM & DMARC validation
Every sending domain is checked for correct records and alignment. Fix it once, and Vaakio keeps watching.
Spam-filter simulator
Each campaign is scored against common filter rules — subject, body, image-to-text ratio, risky phrasing — with the specific lines to change.
Link & URL scanning
Every link is checked against blocklists and for redirects before the send goes out, so one bad link doesn't sink the campaign.
One-click unsubscribe
List-Unsubscribe and one-click headers are added automatically — the bulk-sender requirement Gmail and Yahoo now enforce.
A clean list
sends better.
Reputation is built one send at a time and lost the same way. Vaakio handles the maintenance so your engaged contacts don't pay for your dead ones.
- ✓ Automatic hard- and soft-bounce handling
- ✓ An undeliverable queue you can actually work
- ✓ One-click cleanup of long-dormant contacts
- ✓ Complaint tracking with per-account suppression
- ✓ Guided import with dedupe and field mapping
Reputation monitoring,
not guesswork.
A deliverability dashboard tracks your bounce, complaint, and engagement trends over time, and flags a domain or list that's starting to drag before it becomes a placement problem.