07.08.25 4 min

Navigating postal increases with smarter direct mail

Lisa Greene

Lisa Greene

EVP, Data Axle Nonprofit

The July postal increases are here, with some rates rising by more than 10%. How are smart nonprofits handling the change? By viewing it as an opportunity for better targeting, format optimization, and digital integration. 

We have a long history of helping organizations adapt to postal changes and have seen that the nonprofits who think strategically during these times attract more donors. 

Postal increases may be a drag on the budget. But higher costs create focus, and focused campaigns perform better.

What the new rates mean for your budget

The July 13 increases affect every format in your mail mix:

  • First‑Class stamps: 73¢ → 78¢ (+6.85%)
  • Metered letters (1 oz): 69¢ → 74¢ (+7.25%)
  • Postcards: 56¢ → 62¢ (+10.71%)
  • Flats (1 oz): $1.50 → $1.65 (+10.0%)
  • Marketing Mail: ~7.4% average increase across categories

If you spend $10,000 monthly on Marketing Mail, expect an additional $740 each month. That adds up to nearly $9,000 annually for the same volume. Your 50,000-piece quarterly appeal will increase your annual postage budget by about $15,000.

The good news? Each piece now has a greater reason to be strategic and focused.

Here are six ways to make that happen. 

1.  Focus your budget on high-value prospects

Smart targeting isn’t new to nonprofits, but the latest generation of AI-powered modeling is revolutionizing how organizations identify and engage with their most valuable prospects. As costs rise, precision becomes more essential than ever.

New Donor Acquisition with AI Modeling

The AI-driven acquisition models of 2025 take targeting to the next level—leveraging cutting-edge technology and advanced methodologies to identify those most likely to engage with your mission and ready to give. As response rates continue to decline and costs rise, precisely honing your acquisition audience has never been more essential.

The focus shouldn’t just be on acquiring new donors, but on finding those who will remain engaged with your organization over time. This requires understanding the ideal initial gift level, collaborating with modeling partners who align with your goals, and investing in strategies that prioritize long-term value and deliver the highest return on investment.

Lapsed Donor Reactivation

Your lapsed donors represent one of your most valuable yet underutilized assets. Advanced reactivation modeling can identify which inactive supporters are genuinely ready to re-engage versus those who should remain in lower-cost cultivation streams. 

The payoff is significant: reactivated donors typically give larger gifts and demonstrate higher lifetime value than newly acquired donors. AI models can pinpoint the optimal timing, messaging, and ask amounts for each lapsed segment.

House File Appeal Optimization 

Even your active donor file benefits from sophisticated segmentation beyond basic RFM analysis. Modern modeling can identify micro-segments based on giving triggers, channel preferences, and engagement patterns. This allows you to craft appeals that speak directly to different donor motivations, whether they’re compelled by urgency, impact stories, or matching gift opportunities. 

Better segmentation means higher response rates and larger average gifts from your existing supporters.

2.  Design for Maximum Postal Savings

Postal costs go beyond weight. Format, thickness, and automation compatibility all affect your final rate.

Automation-friendly designs qualify for postal discounts by meeting specific processing requirements. Letters, flats, and postcards can all qualify for automation pricing when they include Intelligent Mail barcodes or POSTNET codes, along with many other technical requirements. Organizations that ensure their mail meets automation criteria often reduce their per-piece costs significantly compared to manually processed mail.

Beyond basic automation requirements, look into presort and commingling services that provide more savings through volume aggregation. This way, smaller organizations can tap into enterprise-level rates by working with providers who bundle multiple mailings together. 

Every insert and design choice ripples through to your final cost. Review each element to keep what drives responses and remove what doesn’t.

3.  Multiply your reach with omnichannel support

Omnichannel campaigns consistently outperform mail-only efforts. If you want to extend reach without proportional cost increases, digital integration is a must.

You can start with advance emails that prepare donors for your upcoming mailing, then follow up after delivery to re-engage those who didn’t respond initially. Additionally, QR codes and personalized URLs connect your offline mail pieces with online giving, making it easier for donors to respond while giving you better tracking data.

In addition to email, use social media and targeted ads to reach donors who may not respond to mail alone, especially younger supporters who interact differently. These digital channels also provide valuable tracking data for refining your campaigns.

4.  Lock in budget predictability

Some organizations can lock in current rates through prepurchased postage or mail credits. This creates budget predictability as rates continue to climb.

When considering rate protection, evaluate your options based on your specific volume patterns and timing needs. Many providers now offer rate protection through volume commitments without requiring you to manage postage inventory directly. The upfront investment can be worthwhile for better annual planning and cash flow management.

5.  Measure everything that matters

Accurate tracking is vital when every campaign decision costs more. Use unique phone numbers, dedicated URLs, and QR codes to capture responses across channels.

Implement matchback analysis to link offline gifts back to specific campaigns. And don’t just measure immediate ROI; also track the lifetime value of donors acquired through different approaches. Advanced analytics platforms can help visualize trends and support future investment decisions.

Don’t forget to track qualitative measures alongside quantitative ones. Donor satisfaction scores, complaint rates, and retention patterns become increasingly important as acquisition costs rise. Understanding what keeps new donors engaged is key for long-term success.

6.  Plan for the pattern

Rate increases now occur twice a year, and this trend is likely to continue.

Incorporate expected increases into your annual budgets instead of treating them as surprises. Smart organizations plan their major campaigns around rate implementation cycles when possible. They also build strong relationships with providers who can offer advance notice and strategic guidance during transitions. This proactive planning helps you stay ahead of changes rather than reacting at the last moment.

The opportunity ahead

As postal rates continue to rise, so will new chances for thoughtful, effective fundraising. Organizations that embrace strategic direct marketing will keep funding vital programs while strengthening donor relationships.

The most successful nonprofits often blend in-house expertise with strategic partnerships. This could mean working with specialized data providers for better targeting, teaming up with mail service providers for automation discounts, or collaborating with analytics partners for deeper insights. The key is to find the right balance of internal capabilities and external support that suits your organization’s size, budget, and goals.

The question is not whether you can manage these increases, but how much more impact you can create with smarter campaigns.

How Data Axle Nonprofit can help

We understand the challenges nonprofits face with rising postal costs and the need for more precise targeting. Our solutions are designed to help you implement these strategies effectively. 

Whether you need to improve targeting precision, integrate digital channels, or access better insights through advanced analytics, our team can help you navigate the new landscape while maximizing your mission impact. Reach out! 



Lisa Greene

Written by Lisa Greene, EVP, Data Axle Nonprofit

Lisa leads a team of professionals supporting a wide array of partners and providing strategic insight to further missions.

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