SPF Record Checker
Validate your SPF record so your mail is authenticated and spoof-proof.
Open toolSPF Record Generator
Build a valid SPF record by picking your email providers and senders.
Open toolDKIM Record Checker
Confirm your emails are cryptographically signed for better deliverability.
Open toolDMARC Record Checker
Verify your DMARC policy to protect your domain from spoofing.
Open toolDMARC Record Generator
Generate a DMARC record with a guided policy, alignment and reporting wizard.
Open toolEmail Spam Checker
Score your content and subject line to predict inbox vs. spam placement.
Open toolSpam Word Checker
Scan your copy for the exact spam-trigger words that hurt deliverability.
Open toolEmail Template Tester
Test HTML templates for rendering issues and spam triggers across clients.
Open toolSMTP Tester
Test your SMTP server connection and sending credentials live.
Open toolIMAP Tester
Test your IMAP connection for reply tracking and inbox management.
Open toolEmail Blacklist Checker
Check your domain or IP against 100+ major email blacklists in seconds.
Open toolTechnology Lookup
See the tech stack behind any domain for technographic lead targeting.
Open toolEmail Checker & Verifier
Verify any email address for validity, catch-all and disposable domains.
Open toolSubject Line Analyzer
Analyze subject lines for spam triggers, length and open-rate impact.
Open toolSubject Line Tester
Score open-rate potential, spam risk and mobile preview for any subject line.
Open toolSubject Line Generator
Generate attention-grabbing subject lines that lift open rates.
Open toolGrammar Checker
Catch spelling, grammar and punctuation slips before you hit send.
Open toolEmail Signature Generator
Generate a professional HTML signature with photo, links and branding.
Open toolOpen Rate Calculator
Calculate open rate and benchmark it against industry standards.
Open toolCTR Calculator
Calculate click-through rate and compare with benchmarks.
Open toolBounce Rate Calculator
Calculate bounce rate to gauge list quality and deliverability risk.
Open toolSpam Complaint Rate Calculator
Monitor complaint rate against ISP thresholds to protect reputation.
Open toolEmail Verification Calculator
Score your list quality from verification results and see the impact.
Open toolMailbox Calculator
Work out how many mailboxes you need for your daily volume.
Open toolSending Capacity Calculator
Calculate daily sending capacity by mailbox count and provider.
Open toolEmail Delay Optimizer
Get optimal sender and campaign delays to maximize deliverability.
Open toolCampaign Duration Calculator
Estimate how long a cold email campaign will take with your setup.
Open toolEmail Deliverability Guide
Best practices for authentication, warmup and inbox placement.
Open toolCold Outreach Laws
The 11 proven laws of cold email that lift response rates.
Open tool