Deliverability insights
Page 6 of 14.
cPanel Email: Why Hosting's Built-In Mail Goes to Spam
cPanel's default Exim setup lacks authentication for your domain. Here is the fix for small VPS with cPanel, start to finish.
Readymag / Vigbo / uKit: Russian Builders Email Deliverability
Russian website builders serve Mail.ru and Yandex audiences. Each has its own sending approach — here is the test-then-choose path.
Google Forms Notifications: Do Respondents See Your Follow-Up?
Google Forms sends confirmations from noreply addresses. Follow-up from your Gmail is a different story. Both matter — here is the check.
Tally / NotionForms: Where Do Notifications Land?
Tally and NotionForms handle sending. You can't see headers in their UI. Here is how to verify placement from the outside.
Carrd Forms: The Indie Hacker's Deliverability Problem
Carrd is the indie staple. The form integrations it offers each have their own sender-domain quirks. Here is what to pick, and why.
Framer Forms: Do Leads From Your Landing Page Hit Inbox?
Framer forms route via a service you don't control. Here is how to know whether your startup's landing page is silently leaking leads.
WordPress CF7 vs WPForms vs Gravity: Which Delivers Better?
Same form, three plugins, three deliverability outcomes. Data and a recommendation for admins running WordPress forms in production.
Webflow Forms: How to Check If Leads Actually Arrive
Webflow sends notifications via email. You can't DKIM-sign the sending domain. Here is the test and the Zapier+ESP workaround.
Squarespace Form Submissions: Are They Reaching Your Inbox?
Squarespace locks you out of SMTP. Here is a workaround via Zapier and an external ESP — plus the measurement first.
Wix Forms: The Deliverability Problem Nobody Warns About
Wix handles your form submissions. You don't control the sending domain. Here is how to know if it's hurting you — and what to do.
Tilda Forms: Why Leads Go to Spam (and You Blame Marketing)
Tilda forms send from Tilda's servers. You can't fix SPF or DKIM. But you can measure, then decide — migrate, route, or accept the loss.
Self-Hosted vs SaaS Store: Who Controls Your Email?
The fundamental tradeoff: control vs convenience. Here is what each path gives you for deliverability, and which breaks first at scale.
BigCommerce vs Shopify vs WooCommerce: Which Delivers Emails Better?
Data-driven comparison: the same order confirmation HTML sent through each platform, placement measured across 20 providers.
InSales Email: Guide for Russian Online Stores
InSales runs thousands of Russian stores. Mail.ru and Yandex inbox rules apply strictly — here is the deliverability checklist.
Tilda E-commerce: Forms and Orders — Deliverability Check
Tilda stores rely on Tilda's sending infra. You have limited DNS control. Here is what you can and should do to verify and improve.
Ecwid Notifications: Where Do They Land for Customers?
Ecwid handles sending, but placement depends on your domain. Here is how to verify and improve notification inbox placement.
1C-Bitrix Store: Email for Order Notifications
A Bitrix store-specific deep-dive on order confirmation, shipping notifications, and payment receipt deliverability.
CS-Cart Email: Russian E-commerce Platform Guide
CS-Cart serves Russian and CIS stores. Mail.ru and Yandex have strict rules — here is how to meet them without breaking transactional flows.
PrestaShop Email: SMTP, SPF, DKIM for Store Admins
PrestaShop's built-in mail is limited. Here is the SMTP module + DNS configuration for reliable order emails.
OpenCart: Why Default PHP mail() Kills Your Deliverability
Every OpenCart admin hits this wall. Here is the SMTP extension path and the SPF/DKIM/DMARC setup that actually works.
Magento 2 Transactional Emails: SMTP + Inbox Placement Test
Magento 2 / Adobe Commerce SMTP modules, DKIM configuration, seed testing. The full transactional stack for enterprise stores.
Shopify Email for Store Admins: What You Can and Can't Control
Shopify limits what you can configure. Here is exactly what admins control, what is locked, and the workarounds for inbox placement.
WooCommerce Emails in Spam: Complete Admin Fix Guide
Default WooCommerce sends via PHP mail(). Add WP Mail SMTP, authenticate the domain, seed-test. End-to-end fix for store admins.
SMTP Relay vs Direct Send: Which Gets Better Inbox Placement?
Running your own Postfix vs sending via SendGrid/Postmark/SES: the tradeoffs for real-world inbox placement.
Shared Hosting: Why Your VPS Neighbor Ruins Your Reputation
On shared IPs, another tenant's spam sinks your reputation with Gmail and Outlook. Here is how to tell if you are the collateral damage.
Post-Deployment Email Check: Add to Release Checklist
Every release that touches templates, DNS, or the ESP can quietly regress. A 30-second post-deploy check catches it immediately.
Email Degradation: Spot It Before Crisis
Deliverability does not break overnight; it erodes over weeks. Here is how to spot the slope before it hits a wall.
Detect IP Blacklisting Before Users Notice
Spamhaus, Barracuda, SORBS. Users do not see why; mail just stops landing. Here is how to catch listings in minutes, not days.
DNS Records Your Email Depends On (and How to Monitor Them)
SPF, DKIM, MX, DMARC — each can break silently. Here are the records that matter and how to alert before they cost you mail.
Uptime for Email: Your Website Is Up but Email Is Down
Status-page uptime never shows "email in spam". A $0 monitor can. Here is the concept and the minimum working system.
Nagios / Zabbix / Prometheus: Alert "Emails Going to Spam"
Integrate email placement into the same monitoring stack you already use. Working configs for all three major platforms.
Weekly Deliverability Report: Automate With Cron + Our API
A simple cron job posts weekly placement reports to Slack. Here is the shell, the API call, and the Slack webhook payload.
Email Health Monitoring for Your Website: Set Up in 10 Minutes (Free)
Your website monitors uptime. You should monitor email placement the same way. Here is a 10-minute setup using our free API.
Subscription Renewal Reminders in Spam = Unexplained Churn
Renewal warnings in spam become surprise cancellations labeled as voluntary churn. Here is the measurement gap and how to close it.
Invoice Emails From Your Billing System: Where Do They Land?
Invoices in spam delay payments. Delayed payments hurt cash flow. And nobody in billing is looking at inbox placement. Here is the fix.
Abandoned Cart Emails: Are They Even Reaching Inbox?
Abandoned-cart flows promise big ROI. If half of them land in Promotions or Spam, the ROI is fictional. Here is how to check.
Welcome Emails Nobody Sees: Onboarding Starts in Spam
Users who never see the welcome email start disengaged and churn faster. Here is how to measure and fix onboarding mail placement.
2FA Emails Not Arriving: Users Locked Out of Your App
A 2FA code in spam locks a user out entirely. Here is why transactional flows with urgency get filtered and how to make sure the code arrives.
Payment Receipt: Stripe Delivers but Your Custom Email Doesn't
Stripe receipts arrive. Your custom receipts don't. The difference is ten years of domain reputation — and you can close the gap.
Shipping Notifications in Spam: Customer Calls "Where is My Order?"
Tracking emails that never arrive generate predictable support load. The fix is mostly DNS, a little template hygiene, and continuous measurement.