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About Sender Score
Sender Score gives an IP address or domain a reputation score based on its email sending behaviour. You enter an address on the site and the score comes back in the browser.
The same site groups several related tools. You can look up whether an address is on the Return Path Blocklist and ask to be removed from it, see why messages bounce, check the quality of a contact list, preview subject lines and compare your figures with deliverability benchmarks. It suits people who send newsletters or run a mail server and want to know why messages land in spam.
Strengths
- Quick reputation score for an IP address or domain
- Return Path Blocklist lookup and removal request in one place
- Extra checks for bounces, list quality and subject lines
Limitations
- Site also promotes Validity's paid email services
- Score reflects Validity's own data rather than every mailbox provider
Details
- Pricing
- FreeThe score lookup and related tools are offered free by Validity.
- License
- Proprietary
- Developer
- Validity
- Platforms
- Web
- How it runs
- Web application
- Works offline
- No
- Best suited for
- Email senders checking why their mail is being filtered or blocked
- Categories
- Website testing
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Sender Score
Compare allSoftware that can replace Sender Score for an important use case, and what changes if you switch.
Spamhaus IP and Domain Reputation Checker
Online lookup that shows whether an IP address or domain appears on Spamhaus blocklists.
Spamhaus IP and Domain Reputation Checker shows listings on Spamhaus blocklists rather than a reputation score, with no extra checks for bounces or subject lines.
Cisco Talos Reputation Center
Online lookup for Cisco Talos reputation and threat intelligence on IP addresses and domains.
Cisco Talos Reputation Center shows Cisco's reputation view of an IP or domain, with disputes handled through a separate support site.
Barracuda Reputation Lookup
Online lookup that checks whether an IP address or domain is listed in the Barracuda Reputation System.
Barracuda Reputation Lookup checks only Barracuda's own list, with a removal request form on the same site.
MXToolbox Blacklist Check
An online tool that tests a mail server IP or domain against over 100 DNS blacklists.
MXToolbox Blacklist Check tests an IP or domain against over 100 DNS blacklists at once, but gives no reputation score or removal.
MultiRBL
A free tool that checks a mail server IP against over 200 DNS blacklists and whitelists.
MultiRBL checks an IP against over 200 blacklists and whitelists with IPv6 support, without a score or removal help.
Google Postmaster Tools
Google's web dashboard for checking a sending domain's reputation and mail deliverability to Gmail.
Google Postmaster Tools shows how Gmail rates your sending domain using data from Gmail itself, but needs a Google account and covers only Gmail.
Microsoft SNDS
Microsoft portal that shows senders how Outlook.com rates mail coming from their IP addresses.
Microsoft SNDS gives Outlook.com reputation data for your IPs, requiring login and verified control of the IP ranges.
Similar software
Related functionality, not necessarily a direct replacement.
GlockApps
An online email deliverability tester that checks inbox placement, spam scores, blocklists and domain authentication.
Mail Tester
A web tool that scores how likely an email is to be marked as spam.
MXToolbox
A web-based suite of DNS, MX, SPF, DMARC and blacklist lookups for diagnosing email delivery.
Maileroo Mail Tester
A free web tool that grades a test email for authentication, spam score, DNS and blacklists.
Postmark Spam Check
A free web tool and JSON API that returns the SpamAssassin score of an email message.
