![](https://www.zertificon.com/images/totemo-sophos-zertificon-as-alternative-scaled.jpg)
Alternative to totemomail and Sophos UTM: Seamless migration to Z1 SecureMail Gateway
Time to read:
4 min
Looking for an alternative to Sophos UTM or totemomail? Consider switching to Z1 SecureMail Gateway for enhanced email security made in Germany. Read more
![](https://www.zertificon.com/images/key-certificates-email-encryption.png)
What are email key pairs and certificates, and how are they used?
Time to read:
3 min
Whether for email signing or encryption, they come in pairs: private and public. How can your business/organization manage them without issues? Read more
![](https://www.zertificon.com/images/sichere-email-im-gesundheitswesen-e-rezept.png)
Send electronic prescriptions to patients via email in compliance with GDPR
Time to read:
2 min
TLS is unfit for patient communication outside healthcare networks—due to data protection. Read why content encryption is appropriate. Read more
![](https://www.zertificon.com/images/zertificon-smime-domain-zertifikat.png)
When can I use domain certificates for email encryption?
Time to read:
4 min
Domain certificates are certificates issued to legal entities. Are these certificates useful and what should be considered? Read more
![](https://www.zertificon.com/images/TLS-geschaeftsgeheimnisse-email.png)
The latest court ruling on the EU Trade Secrets Protection Act in Germany: Is TLS encryption for emails sufficient as a protective measure?
Time to read:
7 min
How reasonable are your steps to guard business and avoid managing director liability? Understand transport vs. content encryption. Read more
![](https://www.zertificon.com/images/ende-zu-ende-verschluesselung-best-practice.png)
End-to-end email encryption – best practices for enterprises
Time to read:
4 min
Businesses need secure email. It needs to be confidential, compliant. So end-to-end encryption is the answer? Here is what E2EE means for enterprises. Read more
![](https://www.zertificon.com/images/email-verschluesslung-passwort-patent_vorschau.png)
Patented email encryption solution for exchange with contacts without certificates
Time to read:
2 min
During your search for an email encryption solution, you may come across information giving the impression that Zertificon is infringing an existing [...] Read more
![](https://www.zertificon.com/images/E-Mail-Verschluesselung-in-der-Cloud.png)
What does the use of cloud services mean for email security?
Time to read:
2 min
How can organizations achieve secure email and GDPR compliance in the cloud? Find out about encryption and signing with cloud services. Read more
![](https://www.zertificon.com/images/2020-11-300x300-1.png)
Unencrypted emails endanger companies – especially during the pandemic
Time to read:
3 min
Restrictions in public life in the wake of the pandemic have led to a surge in digitization in many areas. At the same time, criminals are using the [...] Read more
![](https://www.zertificon.com/images/2020-08-kuerzere-laufzeit-von-zertifikat-en.png)
4 Benefits of Shorter X.509 Validity Periods for Web and Email Certificates
Time to read:
3 min
Email certificates for S/MIME encrypted communication use the same technical standard as browser certificates. Both are X.509 certificates with different [...] Read more
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