
Manage email suppression lists. Use when handling bounces, complaints, unsubscribes, DNC lists, GDPR erasure requests, or migrating suppressions between providers.
Write emails people actually read. Use when crafting subject lines, structuring email content, writing CTAs, optimizing preview text, or improving open and click rates.
Understand what determines inbox vs spam placement. Use when emails land in spam, investigating Gmail Promotions tab, diagnosing deliverability issues, or optimizing engagement signals.
Ramp sending volume on new domains and IPs. Use when launching a new sending domain, switching providers, moving to a dedicated IP, or resuming sends after a pause.
Implement email rate limiting and volume controls that protect sender reputation. Use when setting up send throttling, handling ISP deferrals, configuring per-domain limits, or debugging 421 errors and throttled delivery.
Design product notification emails. Use when building activity alerts, digests, status updates, or managing notification frequency and user preferences.
Build welcome and activation email sequences. Use when designing signup flows, driving users to key actions, converting trials to paid, or reducing early churn.
Maintain email conversation context across messages using threading headers. Use when building thread reconstruction, linking replies to conversations, detecting thread hijacking, stripping quoted content, or providing thread context to AI agents.
Build HTML email templates that render everywhere. Use when designing email layouts, fixing Outlook rendering, implementing dark mode, adding accessibility, or choosing a templating framework.
Avoid triggering spam filters with your email content. Use when emails land in spam, auditing content for filter triggers, checking link patterns, or optimizing HTML structure.
Monitor and protect your email sender reputation. Use when deliverability drops, investigating spam placement, checking blocklists, or recovering from reputation damage.
Build dashboards, alerts, and monitoring systems for email sending operations. Use when setting up deliverability monitoring, configuring alert thresholds, checking blocklists, building email metrics dashboards, or responding to deliverability incidents.
Choose and configure an email service provider. Use when setting up email for a new project, comparing providers, migrating between providers, or adding failover.
Choose and configure an agent-native inbox provider for AI agents that send and receive email. Use when giving an AI agent its own email address, setting up two-way agent email communication, comparing agent inbox platforms, or adding guardrails to autonomous email workflows.
Receive, parse, and process incoming email via provider webhooks. Use when setting up inbound email handling, parsing MIME messages, extracting content from replies, detecting threads, filtering spam on inbound, or routing incoming messages.
Design automated email sequences and drip campaigns. Use when building onboarding flows, nurture sequences, re-engagement campaigns, or follow-up automation.
Protect email pipelines from injection attacks, phishing, content manipulation, and AI agent exploitation. Use when building inbound email processing, sanitizing email content, detecting phishing or BEC, securing AI agents that read email, or hardening email infrastructure against spoofing and data exfiltration.
Diagnose email problems and plan email infrastructure. Use when emails land in spam, bounce rates spike, deliverability drops, open rates decline, providers throttle sending, you need to set up email for a new product, or you're not sure which email skill to use.
Set up SPF, DKIM, and DMARC email authentication. Use when configuring a new sending domain, debugging spam/rejection issues, adding email providers, or preparing for Google/Yahoo/Microsoft bulk sender requirements.
Run email A/B tests with statistical rigor. Use when testing subject lines, content variants, send times, CTAs, or measuring experiment significance.
Process email bounces and protect sender reputation. Use when handling hard/soft bounces, building suppression lists, configuring retry strategies, or investigating high bounce rates.
Design and send transactional emails. Use when building password resets, receipts, shipping notifications, account alerts, or separating transactional from marketing streams.
Meet CAN-SPAM, GDPR, and CASL email requirements. Use when sending commercial email, implementing unsubscribe, managing consent, or classifying transactional vs commercial messages.
Send B2B cold email without getting blacklisted. Use when building outbound sequences, setting up cold email infrastructure, managing reply handling, or scaling prospecting.
Classify inbound email replies by intent and route them appropriately. Use when building reply handling for outreach, support, or transactional email - detecting interested, not interested, OOO, bounce, unsubscribe, forwarded, and question replies.
Process email delivery webhooks from providers like SendGrid, Postmark, SES, Resend, and Mailgun. Use when building webhook endpoints, handling bounces/complaints/deliveries, debugging missed events, or implementing idempotent event processing.