Contents
MailWizz and Brevo represent fundamentally different approaches to email marketing platforms. MailWizz is mature self-hosted PHP email marketing application from 2013 with $86 one-time license fee, unlimited subscribers regardless of list size, BYOSP (Bring Your Own Sending Provider) support enabling integration with Amazon SES or any SMTP service, and multi-tenant SaaS reseller capability. Brevo (formerly Sendinblue, rebranded May 2023) is comprehensive SaaS all-in-one marketing platform with unlimited contacts model priced by email volume from free tier through $65+/month, integrated transactional email plus SMS plus CRM plus automation. The 2026 decision reduces to fundamental tradeoffs: operational control and cost predictability at scale versus zero infrastructure management and comprehensive feature integration.
This comparison covers the practical MailWizz vs Brevo decision in 2026: both platforms' fundamental ownership model difference, MailWizz's self-hosted positioning with one-time license and BYOSP architecture, Brevo's SaaS all-in-one positioning with unlimited contacts and integrated capabilities, cost economics showing dramatic differences at scale particularly above 100K monthly emails, feature comparison highlighting each platform's strengths, infrastructure requirements for self-hosting versus zero-management SaaS, deliverability comparison with each platform's strengths and operator responsibilities, agency and multi-tenant scenarios where MailWizz's SaaS reseller capability matters, and the decision framework based on technical capacity, volume, and operational priorities.
Two ownership models
Same email marketing problem space. Opposite ownership approaches.
MailWizz and Brevo both solve email marketing problems but through fundamentally different ownership and infrastructure models. The model difference cascades through pricing economics, technical requirements, control characteristics, and operational responsibilities.
MailWizz ownership model: self-hosted with operator infrastructure responsibility. Buy MailWizz license once for $86; install on operator-controlled VPS or dedicated server; configure connections to delivery providers (Amazon SES, SendGrid, custom SMTP); operator owns all data, controls infrastructure, manages deliverability. The model produces full ownership at cost of operational responsibility.
Brevo ownership model: SaaS with vendor infrastructure responsibility. Subscribe to Brevo monthly with pricing tier matching email volume; access platform through web interface and APIs; Brevo manages all infrastructure, deliverability, scaling; operator manages campaigns and contacts within Brevo's platform. The model produces convenience at cost of vendor dependency.
The ownership model differences cascade through operational characteristics:
Initial investment. MailWizz: $86 one-time license plus VPS setup costs. Brevo: free tier evaluation; paid plans monthly subscription scaling with volume.
Ongoing costs. MailWizz: VPS hosting $20-100/month plus sending provider costs (Amazon SES extremely low). Brevo: monthly subscription scaling with email volume.
Data ownership. MailWizz: operator owns all data on operator-controlled infrastructure. Brevo: vendor controls data on Brevo infrastructure; operator owns contractual rights to data.
Vendor lock-in. MailWizz: minimal lock-in; can change delivery providers anytime; can migrate to different platform with data exports. Brevo: substantial lock-in; migration requires data export and reconfiguration on different platform.
Operational responsibility. MailWizz: operator responsible for server administration, security patches, backups, deliverability management. Brevo: vendor handles all infrastructure operations; operator focuses on campaigns and contacts.
Customisation. MailWizz: full customisation possible through PHP code modification, extensions, custom integrations. Brevo: customisation limited to platform-provided options and API integrations.
Compliance. MailWizz: compliance is operator responsibility; full control over data residency, audit trails, security controls. Brevo: vendor compliance certifications cover platform; operator complies with Brevo's terms and limitations.
MailWizz overview
MailWizz has specific characteristics matching its self-hosted positioning.
Self-hosted PHP application. Built on PHP/Yii framework; runs on standard LAMP stack (Linux, Apache or Nginx, MySQL, PHP); installs on operator-controlled VPS, dedicated server, or cloud infrastructure.
One-time license $86. Single purchase grants perpetual license to use software; no recurring fees; six months of priority support included with optional renewal for continued support; price has been stable for years.
Unlimited subscribers and emails. No per-contact or per-email charges from MailWizz directly; sending costs come only from chosen delivery provider; theoretical unlimited scale subject only to infrastructure capacity.
BYOSP architecture. Bring Your Own Sending Provider; connect MailWizz to any SMTP service or sending infrastructure including Amazon SES (most common), SendGrid, Mailgun, Sparkpost, custom MTAs (PowerMTA, KumoMTA, Postfix), multiple providers in parallel.
Multi-tenant SaaS support. Can run as SaaS platform for multiple customers; create unlimited customer accounts, groups, price plans; payment gateway integrations; support ticket system; foundation for email marketing reseller businesses.
Email marketing features. Lists and subscribers; campaigns and broadcasts; autoresponders and automation; A/B testing; templates and drag-and-drop editor; segmentation; landing pages and web forms; detailed reporting (opens, clicks, bounces, complaints).
Delivery server management. Configure multiple delivery servers in parallel; rotate through providers; sending quota tracking per server; bounce processing per server; warmup capacity management.
Mature platform since 2013. Active development for 12+ years; substantial community of users; extensive documentation and tutorials; established ecosystem of plugins and extensions.
Volume capability. Operators report sending 100,000+ emails per minute on well-configured infrastructure; actual capacity depends on underlying delivery provider and server resources.
Code quality. Solid PHP codebase with mature architecture; well-documented APIs; extensible through hook system; comparable to commercial email platforms.
MailWizz limitations. Requires technical capacity for setup and maintenance; deliverability is operator responsibility (configuration, IP warmup, reputation management); marketing-only focus (no native transactional email API); no native AI features; limited modern automation compared to SaaS platforms; ongoing security patching and version upgrades are operator responsibility.
Brevo overview
Brevo has different characteristics matching its SaaS all-in-one positioning.
Sendinblue rebrand to Brevo. Rebranded May 2023 reflecting evolution beyond just email marketing into comprehensive customer engagement platform; some operators still use legacy Sendinblue references in documentation.
SaaS platform fully managed. Zero infrastructure management; Brevo handles servers, security, scaling, deliverability; operators access platform through web interface and APIs without managing infrastructure.
Unlimited contacts model. Pricing based on email volume sent rather than contacts stored; can store unlimited subscribers without additional cost; pay only for sending activity.
Per-email pricing tier. Marketing plans start at free tier (300 emails/day) progressing through paid tiers: Marketing Starter from $9-25/month; Marketing Business from $15-65/month; Marketing Enterprise custom pricing; transactional email addon from $15/month for 20K transactional emails.
Integrated transactional email. Transactional API and SMTP relay for password resets, order confirmations, notifications; same platform handles marketing and transactional through different infrastructure layers.
SMS marketing native. Integrated SMS campaigns and transactional SMS; pay-per-SMS pricing; unified contact management across email and SMS.
CRM functionality. Built-in CRM with contact management, deal tracking, pipeline visualisation; integration with email and SMS marketing; basic but functional for SMB CRM needs.
Marketing automation. Visual workflow builder for behaviour-triggered campaigns; conditional logic; multi-channel automation including email and SMS; A/B testing.
Landing pages and forms. Built-in landing page builder; embedded forms and pop-ups; integration with campaigns for lead capture and conversion tracking.
Live chat (Brevo Conversations). Website chat with team inbox; integration with CRM and email platform; chatbot functionality.
Deliverability expertise. 10+ years deliverability experience; actively managed sender reputations; global deliverability team; dedicated IPs available for large senders; EmailToolTester scored Brevo 88.3% deliverability rate in 2025-2026 testing.
SDKs and integrations. Official SDKs for multiple programming languages; integrations with major platforms (Shopify, WordPress, Zapier, Salesforce, 1,000+ apps).
Brevo limitations. Recurring monthly subscription scaling with volume; vendor lock-in for data and infrastructure; less native customisation than self-hosted; advanced features locked behind higher tiers; deliverability score lower than top transactional specialists; not optimised for very high-volume cold outreach operations.
Cost economics comparison
Cost economics differ dramatically between platforms particularly at scale.
Detailed cost comparison across operational scenarios:
| Monthly email volume | MailWizz total cost | Brevo total cost | MailWizz savings (annualised) |
|---|---|---|---|
| Free tier evaluation | $0 (development env) | $0 (Free tier, 300/day) | Comparable |
| 10K emails/month | ~$25/month ($20 VPS + $1 SES + amortised license) | $25/month (Starter) | Comparable |
| 50K emails/month | ~$30/month ($25 VPS + $5 SES) | $45/month (Starter) | $180/year |
| 100K emails/month | ~$35/month ($25 VPS + $10 SES) | $65/month (Business) | $360/year |
| 500K emails/month | ~$80/month ($30 VPS + $50 SES) | $200/month (Business) | $1,440/year |
| 1M emails/month | ~$150/month ($50 VPS + $100 SES) | $350+/month (Business/Enterprise) | $2,400+/year |
| 5M emails/month | ~$650/month ($100 VPS + $500 SES + ops) | $1,000-2,000+/month (Enterprise) | $4,200-16,200+/year |
| 10M+ emails/month | ~$1,100/month (multi-server + $1K SES) | $2,500+/month (Enterprise custom) | $16,800+/year |
Note: MailWizz total cost assumes Amazon SES at $0.10 per 1,000 emails as delivery provider. The $86 one-time license cost is amortised across operational lifetime (negligible monthly cost).
Cost pattern observations:
Small operations roughly comparable. Under 10K monthly emails the cost difference is marginal; Brevo's convenience may justify equivalent cost.
Cost crossover at 50K-100K monthly. Above 50K monthly emails MailWizz total cost becomes meaningfully lower than Brevo subscription.
Dramatic savings at scale. Above 500K monthly emails MailWizz annual savings reach $1,000+ growing rapidly with volume.
Enterprise volume strongly favours MailWizz. Multi-million monthly email operations save tens of thousands annually with MailWizz over Brevo.
Hidden Brevo costs. Brevo enterprise pricing not publicly transparent; large operations negotiate custom pricing with potential for substantial costs.
Hidden MailWizz costs. Operations expertise required; deliverability management time; security patching effort; backup management; the operational time has cost even if not direct subscription.
MailWizz cost analyses frequently focus on direct infrastructure costs (VPS, SES) while underweighting operational time required for self-hosted operations. The realistic operational time for MailWizz includes: initial setup and configuration (8-16 hours); ongoing security patches and version upgrades (1-2 hours monthly); deliverability management including IP warmup and reputation monitoring (2-4 hours weekly); incident response when problems emerge (variable, 1-8 hours per incident); backup management and disaster recovery preparation (1-2 hours monthly). Total operational time typically 15-25 hours monthly for moderate operations. At $50-150/hour operator time value, that translates to $750-3,750/month in operational time cost beyond direct infrastructure. The Brevo SaaS model includes this operational work in the subscription price; operations comparing MailWizz versus Brevo strictly on direct cost miss substantial total cost picture. The MailWizz cost advantage at scale remains real but more modest than direct cost comparison suggests; operations should evaluate total cost including operational time when making platform decisions. Organisations with existing email infrastructure teams find MailWizz operational overhead manageable; organisations without dedicated email engineers may find Brevo's bundled operational cost actually competitive despite higher direct subscription.
Feature comparison
Feature comparison between MailWizz and Brevo:
| Feature category | MailWizz | Brevo |
|---|---|---|
| Pricing model | One-time $86 license | Monthly subscription scaling with volume |
| Subscriber storage | Unlimited | Unlimited |
| Email volume | Unlimited (subject to delivery provider) | Tiered per plan |
| Email marketing campaigns | Comprehensive | Comprehensive |
| Drag-and-drop editor | Yes | Yes |
| Template library | Solid | Extensive |
| Automation workflows | Functional (autoresponders, basic automation) | Visual workflow builder, advanced automation |
| A/B testing | Yes | Yes |
| Segmentation | Strong | Strong |
| Landing pages | Yes | Yes |
| Forms and lead capture | Yes | Yes |
| Transactional email API | No native (use separate service) | Yes integrated |
| SMS marketing | No native (third-party integration) | Yes native |
| CRM functionality | No native (third-party integration) | Yes basic CRM |
| Live chat | No | Yes (Brevo Conversations) |
| AI features | Basic content suggestions | AI-powered content and optimisation |
| Multi-tenant SaaS | Yes (reseller capability) | No (single-tenant platform) |
| BYOSP delivery flexibility | Yes (any SMTP service) | No (Brevo infrastructure only) |
| Multiple delivery servers | Yes parallel sending | N/A |
| White-label capability | Yes | Limited |
| API access | Comprehensive REST API | Comprehensive REST API |
| Mobile apps | No native | Yes |
| Reporting and analytics | Detailed | Comprehensive with visualisations |
| Data ownership | Full operator ownership | Vendor-controlled platform data |
| Support model | Priority support with license; community forum | Tier-based support per plan; chat and email |
Feature pattern observations:
MailWizz strengths. Multi-tenant SaaS capability for agencies; BYOSP flexibility; multiple delivery servers; full white-label customisation; cost predictability at scale; data ownership.
Brevo strengths. Comprehensive feature integration (email + SMS + CRM + chat); modern automation builder; native transactional email; AI-powered features; mobile apps; zero infrastructure management.
Both adequate for core email marketing. Both platforms cover essential email marketing capabilities (campaigns, templates, segmentation, A/B testing, analytics) adequately for most operations.
Different feature philosophies. MailWizz focuses on email marketing infrastructure with flexibility for operator-built extensions; Brevo focuses on bundled marketing capabilities with platform-managed integration.
Infrastructure requirements
Infrastructure requirements differ substantially between platforms.
MailWizz infrastructure requirements:
- Server. Linux VPS or dedicated server; minimum 2 CPU cores, 4GB RAM, 20GB disk for small operations; larger resources for higher volume.
- LAMP stack. Linux operating system; Apache or Nginx web server; MySQL or MariaDB database; PHP 7.4+ with required extensions.
- Domain and DNS. Domain name for MailWizz installation; subdomain for email sending; DNS management for SPF, DKIM, DMARC configuration.
- Delivery provider account. Amazon SES (most common), SendGrid, Mailgun, or other SMTP service; provider-specific configuration and authentication.
- SSL/TLS certificate. Required for secure web interface; Let's Encrypt provides free option; certificate renewal management.
- Backup infrastructure. Regular database and file backups; off-site backup storage; tested recovery procedures.
- Monitoring. Server health monitoring; application performance monitoring; sending quota tracking; bounce rate monitoring.
- Security infrastructure. Firewall configuration; intrusion detection; regular security patches; access control.
Brevo infrastructure requirements:
- Internet connection. Brevo accessible via web browser; no operator infrastructure required.
- Domain. Domain name for sending email; Brevo handles infrastructure side of email delivery.
- DNS configuration. SPF, DKIM, DMARC records pointing to Brevo (Brevo provides specific values); operator updates DNS records.
- API credentials. If using API integration; Brevo manages API keys through platform interface.
- Web browser. Modern browser for platform access; no specific operating system requirements.
Infrastructure pattern observations:
MailWizz substantial requirements. Self-hosted MailWizz needs proper LAMP stack infrastructure, delivery provider integration, ongoing maintenance.
Brevo minimal requirements. SaaS access through web browser; no operator infrastructure beyond DNS configuration.
Technical capacity required for MailWizz. Operators need PHP application administration skills, server management capability, deliverability knowledge.
No technical capacity required for Brevo. Non-technical users can effectively operate Brevo through platform interface.
Deliverability comparison
Deliverability comparison between platforms:
| Deliverability aspect | MailWizz | Brevo |
|---|---|---|
| Inbox placement (typical) | Depends on operator configuration; 85-97% range | 88.3% (EmailToolTester 2025-2026) |
| Authentication setup | Operator responsibility | Brevo guided setup |
| SPF/DKIM/DMARC | Operator configures and validates | Brevo provides records to add |
| IP reputation management | Operator responsibility | Brevo manages shared pool reputation |
| Dedicated IP option | Yes (operator provides IPs) | Available for large senders |
| IP warmup | Operator responsibility | Brevo handles for dedicated IPs |
| Bounce processing | Operator configures through MailWizz | Automatic platform handling |
| Complaint handling | Operator configures feedback loops | Automatic platform handling |
| List hygiene | Operator manages | Platform-assisted management |
| Spam filter testing | Through external tools | Built-in testing |
| Reputation monitoring | Through external tools (GlockApps, MXToolbox) | Built-in dashboards |
| Deliverability expertise required | Yes operator responsibility | Brevo team handles |
Deliverability observations:
Configuration quality dominates platform choice. Both platforms produce strong deliverability when properly configured; both produce problems when misconfigured; configuration quality matters more than platform selection.
MailWizz deliverability depends on operator. Well-configured MailWizz with proper authentication, IP warmup, and list hygiene produces excellent deliverability; misconfigured MailWizz produces problems regardless of platform capability.
Brevo deliverability adequately managed. Brevo team handles platform-wide deliverability; results consistent across customers; ceiling lower than perfectly configured self-hosted but more predictable.
Authentication requirements identical. SPF, DKIM, DMARC required on both platforms; standard authentication patterns apply.
Dedicated IP available on both. Operations needing dedicated IP can configure on either platform; MailWizz requires operator to obtain IPs; Brevo provides IPs on higher tiers.
Agency and multi-tenant use
Agency and multi-tenant use case comparison:
MailWizz agency capabilities:
- Native multi-tenant SaaS. Built-in support for creating unlimited customer accounts; agency operates email platform as SaaS business; customers access their own MailWizz instance within agency platform.
- Pricing plans and groups. Define custom pricing plans for customers; group customers by tier; manage limits per plan.
- Payment gateway integration. Built-in payment processing for SaaS customers; subscription management; billing automation.
- Support ticket system. Customer support tickets within MailWizz; agency manages customer requests.
- White-label customisation. Brand MailWizz as agency's own product; customise interface, emails, documentation; customers see agency branding rather than MailWizz.
- Per-customer delivery servers. Each customer can have own delivery server configuration; isolation between customer sending; per-customer quota management.
- Multi-tenant economics. Single MailWizz license supports unlimited customers; agency captures full margin between customer pricing and infrastructure costs.
Brevo agency limitations:
- Single-tenant platform. Brevo designed for single organisation use; no native multi-tenant or reseller capability.
- Agency workaround through separate accounts. Agencies typically manage multiple Brevo accounts (one per client); each account requires separate subscription; coordination overhead substantial.
- Per-client subscription cost. Each Brevo customer requires own subscription; agency economics challenging at scale.
- Limited white-label. Brevo branding visible in customer experience; cannot rebrand as agency product.
- Brevo Partners programme. Brevo offers partner programme for agencies but does not provide native multi-tenant platform capability.
For email marketing agencies, MailWizz's native multi-tenant SaaS capability makes it structurally appropriate for the use case in ways Brevo is not. Agencies operating email marketing as a service for multiple clients should evaluate MailWizz against other multi-tenant capable platforms (Sequenzy, custom-built solutions) rather than Brevo.
A digital marketing agency client we worked with through 2024-2025 illustrates MailWizz multi-tenant deployment pattern. They wanted to offer email marketing services to 30+ small business clients without per-client Brevo subscriptions consuming agency margin. Initial evaluation: Brevo subscription per client at $25-65/month each totalling $750-2,000+/month in agency overhead before client revenue; agency margin compressed by SaaS platform costs. Alternative considered: MailWizz multi-tenant SaaS deployment on dedicated infrastructure. We implemented MailWizz multi-tenant platform: $86 one-time MailWizz license; $80/month dedicated server (Hetzner) with appropriate resources for 30 client accounts; Amazon SES delivery integration; custom branding making MailWizz appear as agency's proprietary product; custom pricing plans per client tier; payment gateway integration through Stripe; ongoing operational support. Implementation timeline: 4 weeks for platform setup, customisation, client migration. Monthly cost economics: total MailWizz infrastructure $80 server + ~$30 SES (across all clients sending approximately 300K monthly emails total) = $110/month total agency cost; equivalent Brevo cost would have been approximately $1,500/month across 30 client accounts. Annual savings: approximately $16,680. Post-deployment results: agency margin restored through low infrastructure costs; clients see agency-branded platform; agency builds equity in own infrastructure rather than paying SaaS vendor; ongoing client growth produces marginal cost only through Amazon SES; agency now operates email marketing as profitable service line. The lesson: email marketing agencies operating at scale benefit substantially from MailWizz multi-tenant deployment; the operational overhead is real but typically smaller than SaaS subscription costs at agency scale; the business model fundamentally favours self-hosted multi-tenant for agencies running multiple client accounts.
Decision framework
The decision framework for MailWizz vs Brevo in 2026:
Choose MailWizz when: sending substantial volume (50K+ monthly emails) where SaaS subscription scales prohibitively; technical capacity exists for PHP application administration; want full data ownership with no vendor lock-in; need multi-tenant SaaS reseller capability for agency operations; budget supports one-time investment over recurring subscription; deliverability is managed function within team; cost predictability at scale matters operationally; BYOSP flexibility valuable.
Choose Brevo when: small to moderate volume where SaaS pricing economics work (under 100K monthly emails typically); zero infrastructure management preferred; need integrated marketing plus transactional plus SMS plus CRM in single platform; non-technical team unable to manage self-hosted operations; AI features and modern automation builder valuable; want managed deliverability and IP warmup; require professional support included; quick time-to-launch matters more than long-term cost optimisation.
Use both platforms when: different operational layers benefit from different platforms; MailWizz for high-volume marketing while Brevo for transactional plus SMS plus CRM; substantial budget supports dual-platform approach.
Consider alternatives when: Listmonk or Mautic provide free open-source alternatives to MailWizz; Klaviyo suits ecommerce better than either; Mailchimp suits general SMB email marketing; Sendy provides Amazon SES-specific frontend simpler than MailWizz; managed transactional alternatives (Postmark, SendGrid) suit different layers.
Stay on current platform when: existing platform produces acceptable outcomes; migration cost would exceed remaining benefits; team expertise represents substantial investment.
Migrate between platforms when: volume grew to point where SaaS economics broken (migrate to MailWizz); operational complexity of self-hosted exceeds value (migrate to Brevo or similar SaaS); feature requirements unmet by current platform.
The 2026 default progression for typical operators:
- Solo founder or small business under 10K monthly: Brevo Free tier or Marketing Starter
- Growing SMB with 10K-50K monthly: Brevo Marketing Business if zero-management preferred; MailWizz if technical capacity available
- Established operation 50K-500K monthly: MailWizz typically wins on cost; Brevo if convenience worth premium
- High-volume operation 500K+ monthly: MailWizz strongly favoured economically
- Email marketing agency: MailWizz multi-tenant SaaS deployment typically optimal
- Combined needs marketing + transactional + SMS + CRM small scale: Brevo all-in-one
- Combined needs at scale: MailWizz for marketing + dedicated transactional (Postmark, SendGrid) + dedicated SMS
- Maintain proper authentication (SPF, DKIM, DMARC) regardless of platform choice