First-Class Deliverability Rates
Address Verification

Check deliverability metrics in real time

With Maileon as your email delivery solution, you can benefit from excellent newsletter deliverability. Backed by numerous certifications in the field of email deliverability, including CSA, ECO and ISPA, we provide a GDPR-compliant solution for your newsletter campaigns.

First-class deliverability rates for your campaigns

Maileon provides excellent deliverability rates for your campaigns and transactional emails. With numerous certifications, we offer a fully GDPR-compliant solution for your email marketing. Our German-speaking service team will be happy to assist you with setting up your DKIM configuration and making further optimisations to improve your deliverability rates. Our dedicated in-house newsletter deliverability team also monitors all deliveries and makes daily IP optimisations to continuously improve your sender score.

Extra features for optimal deliverability

Our deliverability management provides a comprehensive range of professional features to optimise the deliverability of your email campaigns sent via Maileon. Benefit from:

  • Authentication protocols (DKIM, DMARC, etc.)
  • Send-time optimisation & frequency control
  • Custom subdomains (SSL certificate)
  • Bounce management & CSA Monitor
  • Whitelisting & certifications
  • Spam testing & reporting

Well connected for outstanding deliverability

Maileon is actively involved in organisations and associations that define the highest standards in email marketing. Memberships such as the CSA, together with the resulting CSA certification, are just some of the many pieces of the puzzle that enable Maileon to stay at the forefront of the industry and continuously exceed its own high quality standards. Through close collaboration, Maileon is able to provide its customers with first-class performance and deliverability. This includes recognition as a trusted sender, significantly reducing the risk of emails being caught by spam filters.

Authenticate your subdomains

With Maileon, you can achieve the highest deliverability rates for your newsletter marketing. Use custom subdomains with an SSL certificate to make your emails even more trustworthy and secure. By implementing DKIM and DMARC, you can ensure reliable authentication of your emails, significantly reducing the risk of them being classified as spam. These features help your campaigns reach your recipients’ inboxes more reliably.

Live and batch verification with AddressCheck©

Maileon enables you to validate your contact addresses. With AddressCheck, you can check your email contacts for validity before sending your first campaign, helping you to effectively reduce the costs of your email marketing activities. In addition to maintaining a high-quality contact database and saving on your sending quota, you can benefit from significant improvements in sender reputation and engagement metrics.

Define contact-based blocking rules

Would you like to exclude specific people from one or more campaigns? With a wide range of blocklist functions, you can quickly define individual blocking rules for your contacts and temporarily or permanently prevent emails from being sent to them.

Maileon supports all common table formats, allowing you to upload your blocking rules easily via drag and drop. Blocklists can prevent sending to individual email addresses or entire domains, or can be based on specific parts of an email address.

Deliverability FAQs

What are KPIs and deliverability rates?

In email marketing, KPIs (“Key Performance Indicators”) are important performance metrics used to measure the success and efficiency of your newsletters. A high deliverability rate is an important KPI, as it reflects the effectiveness of delivery and the reach of your newsletter.

Other essential KPIs include open, click-through and conversion rates, as well as bounce and unsubscribe rates. The data collected provides valuable insights for optimising and further developing your marketing activities. It also helps maintain your sender reputation, increase efficiency and reduce costs.

How can KPIs and deliverability rates be optimised?

Maileon offers a wide range of powerful features and support to help you optimise the deliverability rates of your newsletters and their associated KPIs. In addition to professional tools such as Maileon AddressCheck, which uses comprehensive validation checks to reliably identify and clean up invalid or unwanted email addresses, our experienced service team is also available to support you.

Our experts provide tailored support and practical advice on configuration, newsletter setup, send-time optimisation and much more.

What is Maileon AddressCheck and what are its benefits?

Maileon’s AddressCheck is a highly efficient tool that uses a range of checks to verify the validity and deliverability of email addresses. These checks include spam trap, syntax, mailbox and blocklist checks, among others.

Benefits include validating existing or newly acquired email addresses, improving data quality, protecting against spam trap addresses and enhancing the performance of your email marketing campaigns.

What is the CSA and what does CSA certification mean?

The Certified Sender Alliance (CSA) is an organisation that promotes email authentication and verification. CSA certification enables email senders to verify their identity and demonstrate the authenticity of their emails. This helps recipients identify trustworthy emails while combating spam, phishing and other forms of abuse.

What is DKIM and why is it so important in email marketing?

DKIM stands for “DomainKeys Identified Mail”. It is an email authentication method that uses a digital signature to verify the authenticity of emails. DKIM is particularly important in professional email marketing because it can improve deliverability by increasing the trustworthiness of your emails. By configuring a DKIM signature for your sending domain, recipients’ mail servers can verify the authenticity of your emails.

Why should custom subdomains with an SSL certificate be used?

Using custom subdomains with Maileon offers several benefits for your campaigns. A dedicated subdomain makes your emails appear more professional and trustworthy, as it clearly associates them with your brand.

In addition, Maileon’s SSL certificate provides a secure, encrypted connection that protects your emails from manipulation and unauthorised access. These measures not only improve security but can also significantly enhance email deliverability by increasing trust among receiving mail servers and further reducing the likelihood of emails being classified as spam.

How does Maileon’s frequency control optimise email marketing?

When multiple mailings are sent in parallel, individual recipients may receive several campaigns within a short period of time. Maileon’s frequency control helps prevent over-communication and unnecessary unsubscribes, while improving deliverability and reducing spam risks.

This is particularly important for automated emails, as it ensures that recipients are not overwhelmed by too many messages, helping to improve the overall performance of your email campaigns.

What does BIMI do? Is it supported by Maileon?

Yes, Maileon supports BIMI (Brand Indicators for Message Identification). BIMI helps strengthen trust in your emails by displaying your brand logo alongside the email in the inboxes of supported email clients.

This improves brand recognition and signals to recipients that your email is authentic and trustworthy. Our service team will be happy to discuss the specific requirements for implementing BIMI with you.

What is a blocklist?

In email marketing, a blocklist is a list of email addresses or domains that are classified as unwanted or fraudulent. In Maileon, affected addresses can be added to individual blocklists in just a few clicks – manually, via an import file or through an API command. This ensures that these addresses are never contacted, even if they are included in the distribution list used for a mailing.

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