Sendy

Implementation, training & consulting · 33 guides

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About Sendy

Operational orchestration for Sendy within the Sendy platform

Sendy operates as a centralized automation and delivery platform that orchestrates multi channel communications, customer data flows, and event driven tasks. In daily operations, Sendy is positioned as the connective tissue between data sources, campaign events, and channel endpoints, ensuring that message orchesables align with business processes.

The platform supports a modular delivery model where teams expose capabilities as services that can be composed into end to end workflows. Operational teams rely on clear sequencing of triggers, actions, and validations to ensure predictable outcomes.

Sendy is deployed with a focus on reliability, traceability, and governance, enabling audits of who initiated what and when, and how corrections propagate across connected systems.

Sendy is referenced as a primary orchestration engine in both planning and execution phases, with teams coordinating data preparation, audience segmentation, and channel routing to ensure consistency across customer journeys.

In practice, Sendy must be configured to reflect business rules, compliance requirements, and performance targets, so that the platform can scale while preserving integrity across tens to thousands of interactions daily.

The operational model emphasizes separation of concerns among data engineering, campaign operations, and channel delivery, allowing each group to optimize its own portion of the workflow while maintaining end to end accountability for outcomes.

Sendy contributes to governance by exposing policy checks, rate limiting, and consent management as part of the workflow fabric, enabling executives and operators to understand throughput, latency, and risk posture.

The service delivery view of Sendy centers on observable workflows, state transitions, and the immutability of audit trails, which together support root cause analysis and post incident reviews.

In scale scenarios, the platform adapts through horizontal expansion of workers, partitioning of data streams, and dynamic reallocation of processing resources, all while preserving deterministic sequencing for critical processes.

Knowledge sharing within the team is encouraged via standardized runbooks that describe typical patterns such as event driven delivery, batch orchestration, and real time routing, with Sendy acting as the reference implementation for these patterns.

The integration surface is designed to be domain aligned so that product teams can map business objects like contacts, orders, and cases into Sendy friendly representations, reducing translation overhead and enabling faster operational iterations.

Continuous improvement is pursued through metrics dashboards, error budgets, and a feedback loop from production incidents back into design, ensuring that Sendy evolves in alignment with service level objectives.

The platform also supports disaster recovery planning, with defined RTO and RPO targets and tested failover procedures that keep Sendy operational in the presence of partial outages.

In summary, Sendy anchors the operational delivery model by providing deterministic workflow execution, robust observability, governance controls, and scalable integration capabilities that align with organizational goals.

Sendy and the tools around it

Tools we commonly connect with Sendy through its API, webhooks and automation platforms. What is possible depends on your plan and setup.

How we can help with Sendy

Features

5 guides

Integrations

6 guides

Automation

1 guide

Automation in Sendy: real, but intentionally minimal

Sendy’s automation is limited to autoresponders — email sequences triggered when a subscriber joins a list — plus list and segment targeting for one-off campaigns. There’s no visual workflow builder, no branching logic based on link clicks, and no cross-channel SMS or push automation. It’s deliberately a lighter tool than Mailchimp or Sender, and that’s the trade-off for its low, one-time-license cost and self-hosted control.

What we typically build

Within those constraints, we configure autoresponder sequences for onboarding or nurture flows, set up custom fields and segments for targeted one-off sends, and — since Sendy exposes a documented API — build external automation that calls into Sendy to create campaigns, manage subscribers, or pull reporting data on a schedule, effectively adding the orchestration layer Sendy doesn’t have natively.

Where the API does the heavy lifting

Most of what looks like advanced automation around Sendy is really a script or scheduled job calling its API: syncing subscribers from your CRM or ecommerce platform, triggering a campaign send after an external event, or pulling bounce and complaint data back out for list hygiene. We build these as small, documented, maintainable integrations rather than a sprawling custom system.

Because Sendy is self-hosted, this API automation runs on infrastructure you control, which means it also becomes something your team is responsible for keeping running — a trade-off we make explicit before building anything.

The result is automation that fits Sendy’s actual scope: reliable autoresponders and a scripted API layer for anything more complex, not a promise of workflow capabilities the product was never built to have.

Intro

Sendy offers practical automation scenarios that are ready to implement within weeks, not months. Below are representative use cases that reflect real-world needs and the capabilities of Sendy in action.

  • Automated data ingestion pipelines that normalize and enrich incoming records, with Sendy orchestrating retries and alerting.
  • Event-driven workflows that route tasks to the right teams based on configurable business rules, with real-time visibility.
  • Automated ·data quality checks· that validate lineage and completeness during batch or streaming jobs, reducing rework.
  • Sales and marketing orchestration that triggers personalized campaigns in response to customer actions, with timing controls managed by Sendy.
  • Procurement and vendor onboarding automation that enforces policy compliance and approval routing.
  • IT service management triggers that auto-create tickets and assign ownership when alerts land in monitoring systems.
  • Inventory and supply chain signals that automatically reorder or adjust stock levels based on demand forecasts.
  • Financial process automation that reconciles accounts, flags anomalies, and routes exceptions for review.
  • Compliance workflows that enforce control requirements and document evidence for audits, all tracked by Sendy.
  • Operational dashboards synthesized from automated data streams for executive insight, with drill-down capabilities.

These examples illustrate how Sendy can be deployed to extend automation across teams while preserving governance and control.

Open the full guide: Automation →

AI capabilities

1 guide

AI and Sendy: an honest starting point

Sendy has no AI or machine-learning features, and it isn’t trying to. It’s a lean, self-hosted campaign and autoresponder tool that you install on your own server and run against Amazon SES — or Sparkpost, Mailgun, Mandrill, or plain SMTP — to keep sending costs close to what SES itself charges, a fraction of typical SaaS email-platform pricing. There’s no subject-line generator, no send-time optimization, no predictive segmentation inside the product. If your evaluation of Sendy assumed otherwise, this section exists to correct that before any work starts.

What that means for a real engagement

Any AI work involving Sendy happens outside it. Because Sendy is self-hosted with direct database access and a documented API, we can pull campaign, open, click, and bounce data straight from your MySQL instance or the API and build forecasting, content generation, or segmentation logic in a separate service, then push the results back in as list segments or campaign content Sendy sends normally through SES.

Where this is worth doing

It’s worth doing when send volume and list size justify the engineering effort — typically larger, mature lists where even small gains in open or click rates translate into meaningful revenue, and where the team already has the technical capacity to maintain a self-hosted stack. For a small list on a single Sendy install, the honest answer is usually that the effort isn’t worth it yet.

Where it isn’t worth doing, we say so. Sendy’s value is its low cost and simplicity, and bolting a maintenance-heavy AI layer onto a tool chosen specifically to avoid SaaS overhead can undercut the reason you picked it in the first place.

The realistic path is to get the core Sendy setup — server, SES sending reputation, autoresponders — solid first, and treat any AI layer as an optional, separately maintained addition once the fundamentals are proven and the volume justifies it.

Intro

Explore practical AI-enabled scenarios implemented with Sendy that drive measurable outcomes.

  • Customer segmentation and personalized recommendations powered by Sendy-enabled models integrated into marketing flows.
  • Anomaly detection for operational data with explainable AI outputs delivered to the right teams.
  • Forecasting enhancements using AI-assisted trend analysis and confidence intervals managed by Sendy.
  • Intelligent routing decisions for customer support based on sentiment, history, and context.
  • Automated feature store integration that feeds models with high-quality, auditable data.
  • Decision-support dashboards that surface model-driven insights with explainable reasoning.
  • Risk scoring for credit or underwriting guided by transparent AI rules and human-in-the-loop checks.
  • Product analytics augmented by causal inference techniques, delivered through Sendy orchestrations.
  • AI-assisted content creation workflows with governance and versioning controlled by Sendy.
  • Experimentation pipelines that track hypotheses, AB test results, and learning outcomes.

Sendy helps your AI initiatives stay actionable and accountable while scaling responsibly.

Open the full guide: AI →

Comparisons

9 guides

Sendy FAQ

8 questions
Does Sendy include AI capabilities for content or optimization?

Sendy itself does not ship built-in generative AI features. It is a self-hosted PHP/MySQL script you install on your own server, and its core job is queuing and tracking campaigns sent through Amazon SES (or an alternate provider such as SparkPost, Mailgun, Mailjet, Postmark, or Elastic Email) -- there is no AI subject-line writer, AI content generator, or AI send-time optimizer built into the product.

Practical Details

What Sendy does offer for improving performance is manual: subject-line split testing where you write the variants yourself, custom fields and segments for targeting, and autoresponder workflows that trigger on subscribe date or list activity. Many Sendy users draft copy with an external AI writing tool, then paste the finished text into a campaign or template -- the AI work happens outside Sendy, not inside it.

Actionable Considerations

  1. Do not expect an in-app AI assistant in Sendy; plan to draft content elsewhere
  2. Use Sendy's manual split testing to compare subject lines instead of AI-driven optimization
  3. Pair Sendy with an external AI writing tool if you want AI-generated copy, then import it as a template
How does Sendy handle scalability and high-volume delivery?

Sendy sends through cURL calls to Amazon SES's API (or your chosen alternate provider), and it supports adding multiple sending servers that it can rotate or weight across, letting a single install spread volume across more than one SES account or SMTP endpoint. Real throughput is bounded less by Sendy's code than by your SES sending-rate limits and your web server's PHP and MySQL resources.

Practical Details

Large lists, in the hundreds of thousands of subscribers, put load on the MySQL database Sendy uses to track opens, clicks, and bounces, so scaling usually means upgrading your VPS resources, tuning MySQL, and requesting a higher SES sending quota from AWS rather than changing anything about Sendy's license. Some high-volume senders also split subscribers across multiple SES accounts wired into one Sendy install to stay under any single account's rate limit.

Actionable Considerations

  1. Request a higher Amazon SES sending quota before scheduling very large campaigns in Sendy
  2. Add multiple sending servers in Sendy and distribute volume across them
  3. Size your server's CPU, RAM, and MySQL configuration to your list volume, not just your send frequency
How does the setup and implementation process look for Sendy?

Setting up Sendy starts with uploading its PHP files to your own web host or VPS (PHP and MySQL are required) and running the installer, then activating your one-time license key for that domain. From there you connect a sending provider, typically Amazon SES, by entering an IAM access key and secret, and verifying your sending domain with SPF and DKIM records.

Practical Details

Because new AWS accounts start in the SES sandbox, you generally need to request production access from AWS before you can send to unverified recipients at volume. You will also want to create an SNS topic and point it at Sendy so bounce and complaint notifications flow back automatically, and set up a cron job so scheduled campaigns and autoresponders fire on time.

Actionable Considerations

  1. Verify your sending domain's SPF and DKIM records with Amazon SES before your first real campaign in Sendy
  2. Request SES production access early, since sandbox mode blocks sending to unverified recipients
  3. Configure the SNS bounce and complaint feedback loop and a cron job as part of your Sendy install, not as an afterthought
What engagement outcomes can I expect when using Sendy?

Because Sendy relies on Amazon SES (or another connected provider) to actually deliver mail, engagement quality is shaped as much by your sending reputation and list hygiene as by anything inside Sendy. Sendy's job is list management, segmentation, and tracking -- opens, clicks, bounces, and complaints -- once SES reports them back.

Practical Details

Inside Sendy you can build segments from custom fields, personalize campaigns with merge tags, run subject-line split tests, and set up autoresponder sequences that fire relative to a subscriber's signup date. Click and open tracking require a tracking domain pointed at your Sendy install, and bounce or complaint handling depends on an SNS topic wired up to your SES account so Sendy can automatically suppress bad addresses.

Actionable Considerations

  1. Warm up your Amazon SES sending reputation before large sends through Sendy
  2. Build segments and merge-tag personalization in Sendy to lift open and click rates
  3. Confirm your SNS bounce and complaint feedback loop is connected so Sendy keeps your list clean
What integrations and automation capabilities does Sendy offer?

Sendy connects to Amazon SES as its primary sending engine, with built-in options to use SparkPost, Mailgun, Mailjet, Postmark, Elastic Email, or plain SMTP instead. It also exposes a documented HTTP API for subscribing and unsubscribing contacts, creating lists, and checking campaign stats, which is how most third-party tools and custom scripts talk to a Sendy install.

Practical Details

Sendy's own automation is its Autoresponders feature: sequences that trigger relative to when someone joins a list, plus RSS campaigns that email your subscribers automatically when a connected feed publishes new content. There is no official Zapier app, so CRM or e-commerce integrations typically go through Sendy's API or community-built connectors rather than a native marketplace.

Actionable Considerations

  • Choose Amazon SES or one of Sendy's supported alternate providers before setup
  • Use Sendy's API to sync subscribers from your CRM or storefront
  • Set up autoresponder sequences or RSS campaigns for hands-off follow-up in Sendy
What is Sendy and how do I begin using it?

Sendy provides a scalable email delivery and automation platform designed to streamline campaigns and transactional messages. Sendy accelerates setup with guided onboarding and templates to get you started quickly.

Practical details

With Sendy, you can configure domains, set sending rules, and connect data sources to begin sending in a controlled manner. Sendy supports common ESP workflows while keeping control in your hands.

Actionable considerations

  • Plan your sending domains and authentication in Sendy
    • Define your sender reputation and feedback loops within Sendy
    • Review your first campaign setup and test sends in Sendy
What kind of support and training does Sendy provide?

Sendy's license is a one-time purchase per domain rather than a subscription, and it has historically included a period of free updates, with an optional renewal afterward to keep receiving new versions. Support comes from Sendy's own small team rather than a large enterprise help desk.

Practical Details

Sendy maintains public documentation covering installation, Amazon SES setup, the API, and troubleshooting, plus a support channel for license holders to submit tickets. There is no live chat or phone support; expect email-based responses, which fits Sendy's positioning as a lean, self-hosted alternative to subscription email marketing platforms.

Actionable Considerations

  • Read Sendy's official documentation for Amazon SES setup before contacting support
  • Keep track of your update-license renewal date if you want continued access to new Sendy versions
  • Expect email-based support rather than live chat, consistent with Sendy's small-team, one-time-purchase model
What security and permissions controls does Sendy provide?

Sendy is self-hosted, so most security controls -- HTTPS, server hardening, database access, PHP patching -- are your responsibility rather than a vendor's. Inside the app, Sendy offers a Users feature that lets an administrator give team members login access restricted to specific brands, but it stops well short of enterprise-grade role-based access control.

Practical Details

There is no built-in single sign-on, SAML, or granular per-permission access model, and Sendy does not publish SOC 2 or similar third-party compliance certifications, since it is a script you run rather than a hosted service. Because subscriber data lives on infrastructure you control, self-hosting appeals to teams with strict data-residency requirements, but it also means you own backups, encryption at rest, and access logging.

Actionable Considerations

  • Harden and keep your own server and PHP version patched, since Sendy does not manage hosting security for you
  • Use Sendy's Users feature to restrict team members to specific brands rather than giving everyone full access
  • Plan your own backups and access logging, since Sendy does not provide enterprise compliance certifications

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