{"id":243,"date":"2026-08-27T16:28:31","date_gmt":"2026-08-27T14:28:31","guid":{"rendered":"https:\/\/staging.martrexo.com\/?page_id=243"},"modified":"2026-09-08T09:26:17","modified_gmt":"2026-09-08T07:26:17","slug":"deliverability","status":"publish","type":"page","link":"https:\/\/martrexo.com\/en\/deliverability\/","title":{"rendered":"Deliverability"},"content":{"rendered":"
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Deliverability.<\/h1>

Arriving isn't a coincidence \u2014 it's trust that's been built.<\/strong><\/p>\n

Email marketing only works if it gets delivered. Reliable delivery isn't built overnight \u2014 it takes years of consistent, clean dispatch. Martrexo\u00ae brings exactly that established sender reputation \u2014 backed by our own gateways, controlled reputation and end-to-end authentication, operated in Germany and recognized by the leading institutions.<\/p>\n<\/div>

Get a demo<\/a>Get technical answers<\/a><\/div><\/div><\/div><\/div>
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Trust that's grown over years<\/h2>\n<\/div><\/div>\n\n

Mailbox providers decide between \u201cinbox\u201d and \u201cspam folder\u201d based on sender reputation \u2013 a kind of trust score built up from a sender's behavior over time. <\/strong><\/p>\n

This value can't be bought or forced; it grows with every cleanly delivered campaign, with low complaint rates and a consistent, reliable dispatch pattern.<\/p>\n

This is exactly the head start that new senders lack: Martrexo has been sending through an established, continuously maintained infrastructure for years. That proven delivery track record already exists \u2014 and every email sent through the platform benefits from it from day one, instead of having to build up that trust the hard way.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n

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Deliverability as a service<\/h2>\n<\/div><\/div>\n\n

At Martrexo, deliverability isn't a side effect \u2014 it's an actively managed service. Dispatch runs through our own, independent gateways \u2014 worldwide, with no third-party providers. Our certifications aren't one-off seals \u2014 they reflect continuously maintained standards and sender reputation.<\/p>\n<\/div><\/div>\n\n

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CSA Certified<\/h4>\n

As a Certified Senders Alliance sender, Martrexo is listed on the Certified IP List and is continuously audited. This listing supports preferential handling by participating mailbox providers and webmail services.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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M3AAWG member<\/h4>\n

As a member of the Messaging, Malware and Mobile Anti-Abuse Working Group, Martrexo commits to worldwide quality standards and supports industry best practices for combating spam and abuse.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n

On top of that comes ongoing reputation monitoring alongside clean bounce and complaint management: soft and hard bounces are classified and handled accordingly, complaints are processed automatically, and recipient lists are kept clean. That's how the reputation we've built stays stable for the long term.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n

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BSI Hall of Fame \u2013
Gold Status<\/h2>\n<\/div><\/div>\n\n

Martrexo, a brand of Webstrategy GmbH, was recognized by BSI, Bitkom e.V.<\/strong> and eco e.V.<\/strong> in the Email Security Year with Gold Status<\/strong> \u2014 the highest tier.<\/p>\n

This recognition underscores our commitment to the Technical Guidelines TR-03108<\/strong> (Secure Email Transport) and TR-03182<\/strong> (Email Authentication). Gold represents the full implementation of DNSSEC.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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Authentication \u201cout of the box\u201d<\/h2>\n<\/div><\/div>\n\n

Every email sent through Martrexo is fully authenticated \u2014 with no manual effort required.<\/p>\n<\/div><\/div>\n\n

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SPF, DKIM, DMARC<\/h4>\n

For provable sender authenticity \u2014 set up fully, with no manual effort.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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MTA-STS and TLS<\/h4>\n

For encrypted transport, guarding against downgrade attacks along the delivery path.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n

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Reverse DNS<\/h4>\n

For clean delivery signals that receiving systems actively check.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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List-Unsubscribe<\/h4>\n

One-click unsubscribe per RFC 8058 \u2014 required by major mailbox providers for qualifying bulk senders.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n

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Monitored around the clock<\/h2>\n<\/div><\/div>\n\n

Trust that's been built needs to be maintained. That's why stability at Martrexo is actively monitored. Every component of the platform, all interfaces to customer systems and to our own services, is continuously checked \u2014 including their dependencies on one another.<\/p>\n

Automated alert systems trigger before an anomaly turns into an outage. The current operating status is fully transparent \u2014 from the database through the job queue to bounce synchronization, CRM integration and email processing.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n

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Legal & Data Protection<\/h2>\n<\/div><\/div>\n\n

Martrexo complies with the GDPR<\/strong> and the German Federal Data Protection Act (BDSG)<\/strong>; hosting takes place exclusively in Germany.<\/p>\n

Double opt-in, opt-in management, and audit-proof logging of consents are standard features. AVV and TOMs are provided.<\/p>\n

As a provider operated in Germany with its own infrastructure, Martrexo offers genuine data sovereignty \u2014 a governance argument that matters wherever questions around Schrems II and the CLOUD Act come into play.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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For IT<\/h2>\n<\/div><\/div>\n\n

Setup, operation and support are all handled for you: getting started needs just a few DNS entries. Everything else is taken care of entirely by Martrexo.<\/p>\n

Existing systems (websites, databases, CRM) can be connected via purpose-built interfaces; technical effort only arises where an interface is needed. Single sign-on ensures an access architecture that's always up to date and maintenance-free.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n

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Support as a Differentiator<\/h2>\n<\/div><\/div>\n\n

At Martrexo, you get real, human support \u2014 in every tier. No call centers, no bots. From the Engage tier onward, a personal Customer Success Manager is also on hand.<\/p>\n<\/div><\/div>\n<\/div>\n\n

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Delivery you can rely on.<\/h1>\n<\/div><\/div>\n\n

Trust that's been built, our own gateways, end-to-end authentication \u2014 the foundation for every campaign. Best discussed in conversation, tailored to your specific needs.<\/p>\n<\/div><\/div>\n\n

Get a demo<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-243","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/pages\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/comments?post=243"}],"version-history":[{"count":17,"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/pages\/243\/revisions"}],"predecessor-version":[{"id":618,"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/pages\/243\/revisions\/618"}],"wp:attachment":[{"href":"https:\/\/martrexo.com\/en\/wp-json\/wp\/v2\/media?parent=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}