Sendar Bloghttps://sendar.app/blogPractical application email guides and Sendar product updates.enKnow which app you are connectinghttps://sendar.app/blog/clearer-agent-connection-detailshttps://sendar.app/blog/clearer-agent-connection-detailsClearer application identity on the consent page and more useful activity details for Sendar agent connections.ProductSun, 04 Oct 2026 12:00:00 GMTA clearer workspace for incoming emailhttps://sendar.app/blog/a-clearer-workspace-for-incoming-emailhttps://sendar.app/blog/a-clearer-workspace-for-incoming-emailA focused message list, more room to read, and an accessible reply composer in Sendar Inboxes.ProductSun, 04 Oct 2026 12:00:00 GMTManage, check and receive email with Sendarhttps://sendar.app/blog/headless-tools-link-checker-and-hosted-inboxeshttps://sendar.app/blog/headless-tools-link-checker-and-hosted-inboxesScoped headless access, link checks before broadcasts, and a hosted inbox beta for application replies.ProductSun, 04 Oct 2026 12:00:00 GMTA new home for Sendar documentationhttps://sendar.app/blog/a-new-home-for-sendar-documentationhttps://sendar.app/blog/a-new-home-for-sendar-documentationSearchable navigation, focused API examples and a clearer path from setup to your first integration.ProductSun, 04 Oct 2026 12:00:00 GMTGive an AI agent email tools with clear boundarieshttps://sendar.app/blog/sendar-for-ai-agentshttps://sendar.app/blog/sendar-for-ai-agentsUnderstand the difference between coding skills, an authenticated MCP connection and permission to send a message.ProductSun, 04 Oct 2026 12:00:00 GMTA migration library for the email service you already usehttps://sendar.app/blog/sendar-migration-guideshttps://sendar.app/blog/sendar-migration-guidesSendar's provider-specific guides help you map your existing workflow and identify compatibility gaps before switching.ProductSun, 04 Oct 2026 12:00:00 GMTMigrate an email provider one workflow at a timehttps://sendar.app/blog/email-migration-without-duplicateshttps://sendar.app/blog/email-migration-without-duplicatesInventory compatibility, preserve suppression decisions and use a controlled cutover with a clear rollback path.GuidesWed, 23 Sep 2026 12:00:00 GMTSending email from Next.js without exposing your API keyhttps://sendar.app/blog/send-email-nextjs-serverhttps://sendar.app/blog/send-email-nextjs-serverKeep the send operation on the server, validate the application event and use a controlled preview before live delivery.GuidesWed, 09 Sep 2026 12:00:00 GMTEmail attachment or download link? Choose for the readerhttps://sendar.app/blog/email-attachments-or-linkshttps://sendar.app/blog/email-attachments-or-linksCompare message size, access control and document updates before adding a file to a transactional email.GuidesWed, 19 Aug 2026 12:00:00 GMTMake transactional emails readable before making them elaboratehttps://sendar.app/blog/accessible-transactional-emailhttps://sendar.app/blog/accessible-transactional-emailReview hierarchy, links, plain text and real-world content so customers can act on important messages.GuidesWed, 05 Aug 2026 12:00:00 GMTTransactional email and broadcasts need different workflowshttps://sendar.app/blog/transactional-and-broadcast-emailhttps://sendar.app/blog/transactional-and-broadcast-emailUse application events for individual notifications and deliberate audience review for one-to-many announcements.GuidesWed, 22 Jul 2026 12:00:00 GMTRotate an email API key without losing track of your sendershttps://sendar.app/blog/email-api-key-rotationhttps://sendar.app/blog/email-api-key-rotationInventory deployments, update server secrets and verify the new credential before revoking the old one.EngineeringWed, 08 Jul 2026 12:00:00 GMTAn email API error checklist for production supporthttps://sendar.app/blog/email-api-error-triagehttps://sendar.app/blog/email-api-error-triageSeparate invalid requests, authentication failures, quota limits and uncertain sends before deciding what to retry.EngineeringWed, 24 Jun 2026 12:00:00 GMTBuild an email webhook consumer that can recoverhttps://sendar.app/blog/email-webhook-consumerhttps://sendar.app/blog/email-webhook-consumerAcknowledge events carefully, deduplicate processing and keep delivery updates separate from the business transaction.EngineeringWed, 10 Jun 2026 12:00:00 GMTRetry email requests without sending the same message twicehttps://sendar.app/blog/idempotency-email-retrieshttps://sendar.app/blog/idempotency-email-retriesUse stable event identities, preserve payloads and handle uncertain outcomes carefully with Sendar's single-email idempotency support.EngineeringWed, 20 May 2026 12:00:00 GMTAccepted, sent, delivered: what an email status actually tells youhttps://sendar.app/blog/accepted-sent-delivered-emailhttps://sendar.app/blog/accepted-sent-delivered-emailAvoid treating an HTTP success response as proof of inbox delivery. Build support and monitoring around the evidence you have.EngineeringWed, 06 May 2026 12:00:00 GMTTreat email templates as an application contracthttps://sendar.app/blog/email-template-contractshttps://sendar.app/blog/email-template-contractsManage variables, fallbacks and content changes so a template edit does not quietly break a working integration.EngineeringWed, 22 Apr 2026 12:00:00 GMTSend payment receipts from a verified application eventhttps://sendar.app/blog/payment-receipt-email-workflowhttps://sendar.app/blog/payment-receipt-email-workflowKeep payment truth in your application, reconcile duplicate events and send a receipt with the information the customer needs.GuidesWed, 08 Apr 2026 12:00:00 GMTDesigning a password-reset email workflow with Sendarhttps://sendar.app/blog/password-reset-email-workflowhttps://sendar.app/blog/password-reset-email-workflowKeep account recovery logic in your application and use the email layer to deliver a carefully scoped message.GuidesWed, 25 Mar 2026 12:00:00 GMTA welcome email should follow a successful signuphttps://sendar.app/blog/welcome-email-after-signuphttps://sendar.app/blog/welcome-email-after-signupChoose a useful next step, avoid duplicate welcomes and separate account verification from product onboarding.GuidesWed, 11 Mar 2026 12:00:00 GMTSPF, DKIM and DMARC: three checks, different jobshttps://sendar.app/blog/spf-dkim-dmarc-explainedhttps://sendar.app/blog/spf-dkim-dmarc-explainedUnderstand what each authentication mechanism tells a receiver and how to use Sendar's DNS checker without overreading the result.GuidesWed, 25 Feb 2026 12:00:00 GMTA sending-domain checklist for your first Sendar integrationhttps://sendar.app/blog/sending-domain-verification-checklisthttps://sendar.app/blog/sending-domain-verification-checklistCheck ownership, DNS names and verification results without disrupting the email already running on your domain.GuidesWed, 11 Feb 2026 12:00:00 GMTEmail API or SMTP: which fits your application?https://sendar.app/blog/email-api-vs-smtphttps://sendar.app/blog/email-api-vs-smtpChoose an integration based on your application's capabilities, error handling and migration costs—not just the transport name.GuidesWed, 28 Jan 2026 12:00:00 GMTYour first transactional email, from event to deliveryhttps://sendar.app/blog/transactional-email-with-sendarhttps://sendar.app/blog/transactional-email-with-sendarA practical path from an application event to a Sendar request, with the checks that matter before your first production send.GuidesWed, 14 Jan 2026 12:00:00 GMT