For a small charity, the “best” email marketing platform for donor outreach and campaign blasts is usually the one that balances:

• Affordable nonprofit pricing
• Easy list management and segmentation
• Good email deliverability
• Donation-friendly features/integrations
• Simple automation
• Low admin burden

My top recommendation: Mailchimp

Best for: small charities that want something easy, familiar, and quick to set up.

Why it’s strong

• Very user-friendly
• Good templates for newsletters and appeals
• Solid automation for welcome emails, donor follow-ups, and event reminders
• Good segmentation by donor behavior, tags, and engagement
• Integrates with many donation tools and CRMs
• Nonprofit discounts are often available

Tradeoffs

• Can get expensive as your list grows
• Advanced nonprofit CRM-style features are limited
• Some charities outgrow it if they need more fundraising-specific workflows

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Best nonprofit-focused option: Bloomerang

Best for: charities that want donor management + email in one place.

Why it’s strong

• Built with nonprofits in mind
• Better donor records and relationship tracking than typical email tools
• Good for segmenting by giving history, engagement, and constituent data
• Helpful if your team wants to manage donors and email from one system

Tradeoffs

• More of a donor CRM first, email platform second
• Can be more expensive and heavier than a simple email tool
• May be more than a very small charity needs

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Best for affordability and simplicity: MailerLite

Best for: small teams with limited budget that still want modern features.

Why it’s strong

• Easy to use
• Often cheaper than Mailchimp
• Good automation, signup forms, landing pages, and newsletters
• Clean interface and decent segmentation
• Good value for small lists

Tradeoffs

• Less nonprofit-specific than Bloomerang
• Fewer built-in fundraising/CRM features
• Integrations may not be as deep as larger platforms

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Also worth considering: Constant Contact

Best for: teams that want straightforward email campaigns and support.

Why it’s strong

• Very easy for nontechnical staff
• Good support and onboarding
• Useful templates and event promotion tools

Tradeoffs

• Usually not the best value
• Automation and segmentation are okay, but not outstanding
• Often feels less modern than MailerLite

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Quick recommendation by charity type

Choose Mailchimp if:

• You want the safest general-purpose choice
• Your team is nontechnical
• You want a platform many people already know

Choose Bloomerang if:

• Donor tracking is a priority
• You want more nonprofit CRM functionality
• You need to connect email with fundraising history

Choose MailerLite if:

• Budget matters most
• You want simple, modern email tools
• Your charity is small and doesn’t need complex CRM features yet

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What I’d pick in practice

For most small charities:

• If you mainly send newsletters, appeals, and campaign blasts: MailerLite
• If you also need donor relationship management: Bloomerang
• If you want the most familiar all-around tool: Mailchimp

My default answer:

MailerLite is often the best overall value for a small charity, unless you specifically need donor CRM features—in which case Bloomerang is better.

If you want, I can also give you a side-by-side comparison table of Mailchimp vs MailerLite vs Bloomerang for nonprofit use.