We’re revolutionizing email deliverability tools one successfully delivered message at a time.

INBOX INFORMANT

Send with confidence knowing that your messages are landing in the inbox.

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BLACKLIST INFORMANT

Protect your deliverability with 24/7 domain and IP range monitoring of common blacklist databases.

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A few customers who love 250ok:
Sendgrid Marketo Angie's List Emma Delivra MessageBus fishbowl Listrak ActOn


The 250ok Advantage


24/7 Monitoring

We live and breathe deliverability,
monitoring 24/7 so you don’t have to.

Flexible Notifications

Enjoy complete flexibility in scheduling
reports – Any day, any hour, any combination.

Faster Reporting

Discover if your IP or domain is blacklisted
before you send a campaign, every time.

Better Inbox Insight

Our message placement (inbox/junk/spam)
reports help you land in the inbox.

Flexible Blacklist Testing

An industry first, 250ok allows you to select
specific blacklists to test IPs & domains.

CSV & Text Importing

Create new monitoring profiles on the
fly by easily importing your domains & IPs.






Kris Dougherty, Delivra
“I love the flexibility of 250ok’s Blacklist Monitor. Being able to adjust the frequency by IP or domain and adjust where the alerts are sent is exactly what we needed.”

Kris Dougherty
Director of Deliverability Operations, Delivra




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