# Mailhardener review (2026): is the free plan enough? > DMARC, SPF, DKIM, MTA-STS and BIMI monitoring and hosting Checked Nov 13, 2026 · graded Nov 13, 2026 by ToolGPA. Mailhardener monitors a domain's email security settings and aggregates DMARC and SMTP TLS reports. It hosts MTA-STS policies and BIMI assets, watches DNS for changes and explains reports in plain English. It is free for one domain for personal or evaluation use, with paid tiers for commercial domains. - **Category:** Email Verification & Deliverability - **Made by:** Mailhardener - **Website:** https://www.mailhardener.com - **Runs on:** Web - **Who should skip it:** Skip it if your domain is a company's, as the free plan is for personal or evaluation use. - **Facts last checked:** Nov 13, 2026 ## Pricing As of Nov 13, 2026, Mailhardener has a free plan, and paid plans start at €19 per month for up to 10 domains, or €199 per year. - **Pricing model:** Free plan - **Free plan:** Free plan for personal or evaluation use: 1 domain, 1 user account and 1 month of data retention. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Free | €0 | 1 domain, 1 user, fair-use report volume and 1 month of retention, for personal or evaluation use. | | Standard | €19 per month for up to 10 domains, billed monthly (€199 per year) | 3 months of retention, unlimited users, hosted MTA-STS, BIMI hosting, DNS monitoring and technical support. | | Large | €99 per month for up to 100 domains, billed monthly (€999 per year) | 12 months of retention, limited onboarding assistance and payment by invoice, plus the Standard features. | | Enterprise | Custom | No domain limit, custom contract length, assisted onboarding, a private instance option and compliance agreements such as a HIPAA BAA. | Read from https://www.mailhardener.com/pricing on Nov 13, 2026. Prices change, so confirm with Mailhardener before buying. ## Ways to pay less - **Save with annual billing** (Annual discount): Standard is €199 a year (saves €29) and Large is €999 a year (saves €189), against the monthly prices. Source: https://www.mailhardener.com/pricing ## Key features - **DMARC reporting:** Aggregate (rua) and failure (ruf) reports show every sender using the domain, with a plain-English breakdown. The vendor says its algorithm separates forwarding services from malicious senders. - **SMTP TLS reporting:** TLS failures reported by sending servers are aggregated and analyzed, with warnings by email. - **Hosted MTA-STS and BIMI assets:** Mailhardener serves the MTA-STS policy and BIMI assets so a domain can adopt them without running a web server. - **DNS change monitoring:** Email-related DNS records are monitored, and a notification explains what a change does to protection. - **Domain inspector:** Shows how SPF, DKIM, DMARC and related records are configured and flags common mistakes. - **Multi-user access and auditors:** Paid tiers support role- and domain-based access control, several organizations per login and read-only auditor access. ## Good for - Small businesses monitoring up to 10 domains - Managed service providers (separate MSP package) - Personal or non-commercial domains, which the free plan covers ## Worth knowing - Prices are shown in euros; the page has a currency selector, but a dollar price was not readable from the server. - The free plan is for personal or evaluation use only, not commercial domains. - The comparison table lists API access, SSO and periodic reports, but which tiers include them could not be read from the page text. ## ToolGPA grades **GPA: 2.0 out of 4**, graded Nov 13, 2026. Mailhardener reads DMARC and TLS reports and hosts MTA-STS and BIMI files. The free plan is for personal or evaluation use only, and the paid plans are in euros. - **Value for money: C.** Standard is EUR 19 a month for up to 10 domains (EUR 199 a year), close to the category's middle of $23. - **Free plan and trial: C.** A free plan with 1 domain, 1 user and 1 month of data, but only for personal or evaluation use, not commercial domains. - **Features: C.** DMARC and TLS reporting, hosted MTA-STS and BIMI, DNS change monitoring. The listing could not confirm which tiers carry the API and SSO. - **Ease of use: C.** No rating on record. You change DNS records and read reports as they arrive. - **Platforms and integrations: C.** Web only, with no integrations listed on the vendor pages. These are ToolGPA's own grades. Graded from this listing, whose facts were read from Mailhardener's own pages on 13 November 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among email verification and deliverability tools - Mailhardener's GPA of 2.0 is higher than 8 of the 61 other email verification and deliverability tools we grade, and level with 14. - Its paid plans start at about $18.53 a month, against a middle price of $21.50 for the category: 15 of the 43 others that charge start lower. - On features, ease of use and platforms it scores 2.0 out of 4. 10 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/email-deliverability ## Keep it, or make your own? **Keep it.** The plain part of Mailhardener you could make: reports. What surrounds it you could not. The 1 things listed below take a company, not a weekend. That makes this kind of software worth paying for, not this one in particular: 39 of the 61 other email verification and deliverability tools grade higher. It costs $222.32 a year. - You could make: Reports: an app builder makes this well. - You could not: Reading the reports inbox providers send about your domain. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. **Tags:** DMARC, Reports ## Alternatives - [dmarcian](https://toolgpa.com/tools/dmarcian): DMARC report processing and policy deployment, by a spec co-author. [Compare](https://toolgpa.com/compare/dmarcian-vs-mailhardener) - [PowerDMARC](https://toolgpa.com/tools/powerdmarc): DMARC reporting with hosted SPF, DKIM, BIMI and MTA-STS records. [Compare](https://toolgpa.com/compare/mailhardener-vs-powerdmarc) - [EasyDMARC](https://toolgpa.com/tools/easydmarc): DMARC setup, reporting and managed SPF, DKIM and BIMI records. [Compare](https://toolgpa.com/compare/easydmarc-vs-mailhardener) - [Suped](https://toolgpa.com/tools/suped): DMARC monitoring with hosted SPF, DKIM, MTA-STS and BIMI. [Compare](https://toolgpa.com/compare/mailhardener-vs-suped) - [Dmarcly](https://toolgpa.com/tools/dmarcly): DMARC monitoring with a dashboard, SPF flattening and alerts. [Compare](https://toolgpa.com/compare/dmarcly-vs-mailhardener) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 13, 2026: - https://www.mailhardener.com/pricing - https://www.mailhardener.com/features - https://www.mailhardener.com Page: https://toolgpa.com/tools/mailhardener Listed by ToolGPA (toolgpa.com).