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IntroductionQuickstartAuthenticationSending emailDomainsAPI keysSMTP relayWebhooksTemplatesBroadcastsAudiences & contactsSuppression listOpen & click trackingIP warm-upDeliverabilityAnalytics & logsLimits & errorsSelf-hosting & configurationEmailsDomainsAudiences & contactsBroadcastsTemplatesWebhooksAPI keys, suppressions, metrics
Guides
Open & click tracking
When enabled on the domain, we add a 1×1 tracking pixel and rewrite http(s) links to pass through a signed redirect. Both generate events and webhooks.
Open tracking is approximate: mail clients that proxy or block images will under- or over-report. For transactional mail such as password resets, consider disabling both in domain settings.