If you have subscribers in the EU (and you probably do), GDPR compliance isn't optional. The regulation requires explicit consent for marketing email, the ability to delete subscriber data on request, data processing agreements with every tool that handles personal data, and documented lawful basis for processing.

Most email tools claim GDPR compliance on their website. But the depth varies. Some provide data processing agreements, consent tracking, and EU data hosting. Others just added a checkbox to their signup forms and called it done.

Here's what actually matters and which tools handle it properly.

What GDPR Compliance Requires From Your Email Tool

Data Processing Agreement (DPA): A signed contract between you and the email platform specifying how they process personal data on your behalf. Without this, you're technically in violation regardless of how well the tool handles data.
Consent management: The ability to record when and how consent was given for each subscriber. This isn't just a checkbox on a form. It's a time-stamped record showing the exact language the subscriber agreed to, the source of the signup, and the IP address.
Right to erasure: Delete all subscriber data permanently when requested. This means more than just unsubscribing someone. It means wiping their email address, engagement history, custom attributes, and any other personal data from the system entirely.
Data portability: Export all subscriber data in a standard format. Subscribers have the right to take their data and move it elsewhere. Your email tool needs to support structured exports.
Breach notification: The platform notifies you promptly if there's a data breach. Under GDPR, you have 72 hours to notify your supervisory authority after becoming aware of a breach. If your email tool delays telling you, you can't meet that timeline.
Data minimization: Only collect and store data that's necessary. Your email tool shouldn't encourage you to hoard data you don't need.
EU data transfer protections: If data leaves the EU, adequate safeguards must be in place (Standard Contractual Clauses, adequacy decisions, etc.)

Why This Matters More Than You Think

GDPR fines are real and growing. In 2025 alone, regulators issued hundreds of millions in penalties. And these aren't just for big tech companies. Small and mid-size businesses have been fined for sending marketing emails without proper consent, failing to honor deletion requests, and not having DPAs in place with their processors.

If you're a SaaS company choosing an email platform, GDPR compliance should be a non-negotiable requirement in your evaluation criteria, not an afterthought.

The 7 Best Options

1. Sequenzy

Best for: SaaS companies needing GDPR compliance with lifecycle email

Sequenzy provides GDPR compliance features including a data processing agreement, subscriber data deletion, data export capabilities, and consent tracking. For SaaS companies with EU customers, the platform handles personal data in compliance with GDPR requirements.

The subscriber management includes tools for handling right-to-erasure requests and data portability. When a subscriber requests deletion, their data is permanently removed from the system including email history and event data. There's no "soft delete" where records linger in backup tables. The deletion is thorough, covering subscriber profiles, engagement metrics, custom attributes, and event logs.

For teams that also need Stripe integration, Sequenzy handles payment data syncing with the same privacy controls. Subscription attributes from Stripe are stored with the same encryption and access protections as other subscriber data, and they're included in deletion requests.

The platform also supports subscriber segmentation based on consent status, so you can ensure you're only sending marketing email to subscribers who have actively opted in.

GDPR features: DPA available, data deletion, data export, consent management, encrypted storage Pricing: From $29/month Pros: SaaS-focused compliance, thorough subscriber data deletion, data export, DPA, consent tracking tied to subscriber profiles Cons: Newer platform, US-based (EU data transfer safeguards needed)

2. Brevo (formerly Sendinblue)

Best for: EU-headquartered, GDPR by design

Brevo is headquartered in Paris, France. GDPR compliance is built into the platform from the ground up, not retrofitted. EU data storage is default. The DPA is included automatically with every account. Consent tracking is native to the contact management system.

Brevo's GDPR features include: consent logs showing when and how each contact consented, built-in double opt-in support, one-click data deletion for right-to-erasure requests, and data export for portability. Being EU-based means data sovereignty is straightforward. Your subscriber data doesn't cross borders unless you explicitly choose to make that happen.

The consent logging is particularly strong. Each contact record shows the date and time of consent, the form or source used, the IP address, and the specific consent language that was displayed. If a regulator asks you to prove consent for a specific subscriber, you can pull it up instantly.

Brevo also offers GDPR-compliant forms out of the box. The form builder includes consent checkboxes with pre-written GDPR language (customizable), and the double opt-in flow is well-designed with branded confirmation emails.

GDPR features: EU data storage (default), automatic DPA, consent logging, double opt-in, data deletion, EU-headquartered Pricing: Free for 300 emails/day, from $9/month Pros: EU-based, GDPR by design, detailed consent logs, affordable, strong data controls, no data transfer concerns Cons: Less polished than US-based competitors, basic automation on lower tiers, analytics less detailed than some alternatives

3. MailerLite

Best for: Strong GDPR compliance with accessible pricing

MailerLite (headquartered in Lithuania, EU) takes GDPR seriously. The platform includes consent tracking, double opt-in, GDPR-compliant signup forms, and a DPA included with every account. Data is stored in the EU by default.

The signup form builder includes GDPR-specific features: consent checkboxes with customizable text, separate consent for different purposes (marketing vs. product updates), and automatic consent recording. For small businesses that want GDPR compliance without manual work, MailerLite handles most requirements automatically.

What sets MailerLite apart is how accessible it makes GDPR compliance for non-technical users. You don't need to understand the regulation deeply to be compliant. The platform guides you through setting up consent-aware forms, configuring double opt-in, and managing subscriber preferences. The GDPR documentation is clear and practical, aimed at small business owners rather than compliance officers.

The subscriber management interface clearly shows consent status for each contact, making it easy to audit your list and ensure you're only emailing people who have actively opted in. Bulk operations respect consent boundaries, so you can't accidentally add non-consented contacts to a marketing campaign.

GDPR features: EU data storage (default), DPA included, consent forms with granular permissions, double opt-in, data deletion, EU-headquartered, GDPR form builder Pricing: From $10/month Pros: EU-based, GDPR forms built in, consent tracking, affordable, data export, beginner-friendly compliance Cons: Smaller feature set than some competitors, basic automation, limited for complex SaaS use cases

4. Mailchimp

Best for: GDPR compliance tools with the broadest integration ecosystem

Mailchimp includes GDPR-specific features: GDPR-enabled signup forms that track consent for different marketing types, a data processing addendum, and tools for handling data deletion requests. The GDPR fields in signup forms let you track consent separately for email, direct mail, and customized online advertising.

Mailchimp's GDPR tools are well-documented and widely used. The consent tracking integrates with the broader Mailchimp ecosystem (landing pages, forms, integrations), making it practical to maintain GDPR compliance across multiple touchpoints. When you enable GDPR fields on a signup form, each subscriber's consent is recorded at the field level, meaning you know exactly what each person agreed to.

The data deletion workflow is straightforward. Search for the subscriber, permanently delete their record, and the system confirms all associated data has been removed. For right-of-access requests, you can export an individual subscriber's data including their profile, engagement history, and consent records.

One consideration: Mailchimp is US-based, so EU subscriber data may be stored outside the EU. Mailchimp relies on Standard Contractual Clauses and other approved transfer mechanisms for data transfers. If you need guaranteed EU data residency, an EU-based provider like Brevo or MailerLite is more straightforward.

If you're evaluating Mailchimp alongside other tools, you may also want to consider how its Zapier integration extends its ecosystem for managing consent across multiple platforms.

GDPR features: GDPR signup forms, consent tracking by type, DPA, data deletion, data export, field-level consent records Pricing: Free up to 500 contacts, from $13/month Pros: Well-documented GDPR tools, consent tracking by type, broad ecosystem, many pre-built GDPR form templates Cons: US-based (data transfer considerations), pricing scales with contacts, GDPR features require manual enablement on forms

5. ActiveCampaign

Best for: GDPR compliance within a full marketing automation suite

ActiveCampaign includes a DPA, GDPR-compliant forms, consent tracking, and data processing controls. The platform stores consent records for each contact and supports double opt-in across all signup methods.

The automation features include GDPR-relevant capabilities: automatically suppress contacts who haven't given consent, trigger consent renewal campaigns, and manage preference centers that comply with the right to withdraw consent. This is where ActiveCampaign goes beyond static compliance and into active consent management.

Consent renewal is a feature worth highlighting. Under GDPR, consent must be freely given, specific, informed, and unambiguous. It also doesn't last forever. ActiveCampaign lets you build automations that periodically re-confirm consent with subscribers, ensuring your consent records stay current. If a subscriber doesn't re-confirm, you can automatically suppress them from marketing email.

The preference center is another strong point. Subscribers can choose exactly what types of communication they want to receive, update their preferences at any time, and withdraw consent for specific purposes without unsubscribing entirely. This granular control is exactly what GDPR envisions.

For teams that also use ActiveCampaign as a CRM, GDPR compliance extends to deal and contact records. Deletion requests can wipe all associated data across email, CRM, and automation history.

GDPR features: DPA, consent tracking, GDPR forms, preference center, consent renewal automations, CRM-wide data controls Pricing: From $29/month Pros: Full automation suite with GDPR, consent renewal automations, preference center, CRM integration Cons: US-based, GDPR features spread across multiple settings, some complexity in initial setup

6. ConvertKit (Kit)

Best for: GDPR compliance for creators and newsletter operators

ConvertKit includes GDPR features in its form builder: consent checkboxes, double opt-in, and text customization for consent language. The DPA is available for download. Subscriber data can be exported and deleted on request.

For creators who collect emails through content, ConvertKit's GDPR-compliant forms integrate naturally with landing pages and blog opt-ins. The consent is tracked per-form, so you know exactly where and when each subscriber consented. If you run multiple lead magnets or content offers, each one records consent independently.

The subscriber profile view shows consent status alongside engagement data. You can quickly see whether a subscriber has consented, when they consented, and through which form. For creators with large lists who need to audit consent records, this visibility is essential.

ConvertKit's approach to GDPR is pragmatic rather than exhaustive. It covers the essentials well: consent recording, double opt-in, data deletion, and data export. But it doesn't offer advanced features like consent renewal automations or granular preference centers. For most creators, the basics are sufficient. If you need more sophisticated consent management, a tool like ActiveCampaign offers more depth.

One limitation: ConvertKit is US-based, so the same EU data transfer considerations apply. The DPA includes Standard Contractual Clauses for cross-border data transfers.

GDPR features: GDPR forms, consent checkboxes, DPA, data deletion, data export, double opt-in, per-form consent tracking Pricing: Free up to 10,000 subscribers, from $29/month Pros: Creator-focused GDPR compliance, per-form consent tracking, generous free tier, simple and practical Cons: US-based, basic GDPR features (no consent renewal automation), limited preference center options

7. Customer.io

Best for: Technical teams building custom GDPR workflows

Customer.io's API supports GDPR compliance at a technical level. You can track consent attributes on customer profiles, build automations that respond to consent changes, and use the API to handle deletion requests programmatically. The DPA is available.

For technical teams that want to build GDPR compliance into their application logic (not just their email tool), Customer.io's API-first approach is flexible. Consent is just another customer attribute that can trigger or suppress automations. You can build sophisticated consent flows: track consent for different purposes, suppress messaging based on consent status, automatically expire consent after a defined period, and handle deletion requests through API calls integrated into your application.

The webhook support in Customer.io is particularly useful for GDPR. You can set up webhooks to notify your application when a subscriber updates their consent preferences, enabling you to keep consent records synchronized across your entire stack.

The trade-off is that nothing is pre-built. There's no GDPR form builder, no consent checkbox widget, and no one-click deletion button. You're building the compliance layer yourself using Customer.io's primitives. For teams with engineering resources, this produces a more integrated and comprehensive compliance system. For teams without developers, it's prohibitively complex.

GDPR features: DPA, API-driven consent management, programmable deletion, custom GDPR workflows, webhook-based consent sync Pricing: From $100/month Pros: Most flexible GDPR implementation, API-driven, custom workflows, deep integration with application logic Cons: Expensive, requires technical setup, no built-in GDPR forms, everything must be custom-built

Comparison Table

Feature	Sequenzy	Brevo	MailerLite	Mailchimp	ActiveCampaign	ConvertKit	Customer.io
DPA included	Yes	Yes (auto)	Yes (auto)	Yes	Yes	Yes	Yes
EU data storage	No (US)	Yes (default)	Yes (default)	No (US)	No (US)	No (US)	No (US)
Consent logging	Yes	Detailed	Yes	By type	Yes	Per-form	API-driven
Double opt-in	Yes	Yes	Yes	Yes	Yes	Yes	Custom
Data deletion	Full	One-click	Yes	Yes	CRM-wide	Yes	API
Data export	Yes	Yes	Yes	Yes	Yes	Yes	API
Consent renewal	No	No	No	No	Yes (automated)	No	Custom
Preference center	Basic	Yes	Basic	Yes	Advanced	Basic	Custom
GDPR forms	Yes	Built-in	Built-in	Enabled	Built-in	Built-in	No
Starting price	$29/mo	Free	$10/mo	Free	$29/mo	Free	$100/mo

GDPR Compliance Checklist for Email Marketing

Before You Start Sending

Sign a DPA with your email platform
Set up double opt-in for all signup forms
Add clear consent language to every form (specific, not bundled)
Document your lawful basis for processing (usually consent for marketing)
Create a privacy policy that explains your email practices
Verify where subscriber data will be stored and whether transfer safeguards are needed
Configure your email tool to track consent metadata (timestamp, source, IP, language)

For Every Subscriber

Record when and how consent was given
Record what the subscriber consented to (which types of communication)
Make it easy to update preferences or withdraw consent
Process unsubscribe requests immediately
Ensure granular consent (separate for marketing, product updates, newsletters, etc.)

When Requested

Delete subscriber data completely (right to erasure) within 30 days
Export subscriber data in a portable format (right to data portability)
Provide information about what data you hold (right of access)
Communicate clearly what action was taken in response to the request

Ongoing

Audit consent records periodically
Remove subscribers who haven't consented
Keep records of your compliance activities
Update practices when regulations change
Review third-party integrations for GDPR compliance (each integration is a data processor)
Conduct consent renewal campaigns for aging consent records
Monitor for and respond to data breaches within 72 hours

Common GDPR Mistakes in Email Marketing

Treating Unsubscribe as Deletion

Unsubscribing from marketing email and requesting data deletion are two different things. When someone unsubscribes, you stop sending them marketing email but you can retain their data. When someone exercises their right to erasure, you must delete all personal data. Many email marketers conflate these, leaving themselves exposed.

Pre-Checked Consent Boxes

Under GDPR, consent must be an affirmative action. Pre-checked boxes do not count as valid consent. Every consent checkbox on your signup forms must start unchecked. This seems obvious, but many forms still get it wrong, especially forms built with third-party tools that don't default to unchecked.

Bundled Consent

Asking subscribers to consent to "receiving communications from us and our partners" in a single checkbox violates GDPR's requirement for specific consent. Each purpose should have its own consent mechanism. If you want to send marketing email and share data with partners, those need to be separate opt-ins.

Ignoring Sub-Processors

Your email tool is a data processor. But your email tool also uses sub-processors (hosting providers, analytics services, CDNs). Under GDPR, you need to be aware of the entire chain. Most email platforms list their sub-processors in their DPA or privacy documentation. Review these lists periodically.

Not Documenting Lawful Basis

For each type of processing, you need a documented lawful basis. For marketing email, this is usually consent. For transactional email, it might be legitimate interest or contractual necessity. Don't assume you can send service-related emails without any legal basis just because they aren't "marketing."

FAQ

Do I need GDPR compliance if I'm not based in the EU? Yes, if you have subscribers in the EU. GDPR applies to processing personal data of EU residents, regardless of where your business is located. If your SaaS has even a handful of EU users signing up through your website, GDPR applies to you.

Is double opt-in required by GDPR? Not technically required, but strongly recommended. Double opt-in provides clear evidence of consent, which is valuable if you're ever challenged. Many GDPR-focused email tools default to double opt-in. It also improves list quality by filtering out typos and fake signups, which benefits your email deliverability.

Can I email EU subscribers based on "legitimate interest" instead of consent? Potentially for existing customers (transactional email, service updates). For marketing email to people who haven't bought from you, consent is the safest lawful basis. Legitimate interest claims for marketing are challenged frequently and require documented analysis (a Legitimate Interest Assessment). If you do rely on legitimate interest, document your reasoning thoroughly and offer a clear opt-out.

What happens if my email tool isn't GDPR compliant? As the data controller, you're responsible for ensuring your data processors (including your email tool) comply with GDPR. If your email tool mishandles EU personal data, you can face fines up to 4% of annual revenue or 20M euros. Beyond fines, you risk reputational damage and loss of customer trust.

Do I need EU data storage? Not strictly required if adequate data transfer safeguards are in place (Standard Contractual Clauses, adequacy decisions). But EU data storage simplifies compliance. If your email tool stores data in the US, verify they have appropriate transfer mechanisms in place. After the Schrems II ruling, data transfers to the US require additional safeguards beyond just SCCs in some cases.

How does GDPR interact with other privacy regulations? GDPR is the strictest major privacy regulation, so if you're fully GDPR compliant, you're likely meeting or exceeding the requirements of CCPA and most other privacy frameworks. However, each regulation has unique elements. CCPA, for example, includes a right to opt out of data sales that GDPR doesn't specifically address. If you operate globally, consider compliance with multiple frameworks. SOC 2 certification can also help demonstrate your security posture to regulators and customers.

What about email analytics and GDPR? Tracking email opens and clicks collects personal data (IP addresses, timestamps, behavior). Under GDPR, this tracking needs a lawful basis. Most platforms include analytics tracking as part of the consent for receiving marketing email. But be transparent about it in your privacy policy. Some subscribers may request that you stop tracking their engagement, which is their right. Platforms with good built-in analytics typically handle this by allowing per-subscriber tracking suppression.

Can I transfer my subscriber list between GDPR-compliant tools? Yes, but carefully. You can export subscriber data (right to data portability applies to data subjects, but the principle supports transfers). When importing into a new tool, ensure the new platform has a DPA in place, and that consent records transfer with the subscriber data. Don't assume consent given for one platform automatically applies to another. Re-confirm consent if you're changing how data is processed.