AeroLeads
Strac.io
Hunter.io
Lusha
RocketReach
DiscoverOrg
ZoomInfo
A free JSON API to check your email messages' spam scores

1-Click Deploy
Deploy anywhere from your AI tool.

Which is more popular?
Based on our record, Spam Check seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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SC
Spam Check
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| Website | spamcheck.postmarkapp.com | cloudploy.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Spam Check yet.
Add an API key. Your agent deploys from Claude Code, Cursor, or any MCP client. Bring your own Ubuntu/AWS server or provision Hetzner/DigitalOcean/AWS at cost. Flat plan for the control plane; compute at the provider’s rate. Free forever: 1 small server, 1 app.
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Spam Check and CloudPloy. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

You should check to see if the messages that are being sent contain any links that would be considered questionable/spammy. You can also try taking the content of one of the messages and checking it’s spam assassin score (... Source: over 4 years ago
Build a clean email that passes a spam check with flying colors (https://spamcheck.postmarkapp.com/) then use a warmup service like lemwarm, inboxally or neverspam as mentioned in the other comments. Source: about 5 years ago
The issue sounds more email centric. You're likely hitting the Apache SpamAssassin limit on the remote email servers. Use https://spamcheck.postmarkapp.com/ to check the score of emails you've had declared spam, and follow... Source: over 5 years ago
Tracking CloudPloy since Sep 2026.
When comparing Spam Check and CloudPloy, you can also consider the following products.

AeroLeads is a lead generation software which finds prospects with email and phone number.
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Deploy your favourite apps to cloud with one click
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Strac helps businesses remove sensitive customer data like SSN, drivers license, passport, bank statements, tax docs, medical notes, etc.
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Find all the email addresses related to a domain
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RocketReach allows you to lookup email and phone for 250+ million professionals.
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