Wie kann man große Anhänge per E-Mail versenden?

How to send large files by e-mail?

Sending large attachments by email can cause problems because images, videos or large documents often exceed the maximum file size allowed. This is becoming increasingly problematic because more and more data is generated every day. Countless image and multimedia files created using smartphone cameras are proof of this. Research shows that the average size of the files that users want to send as email attachments is growing from year to year. This puts a strain on corporate email infrastructures, resulting in bans on the sending of large files, the setting of limits or a case-by-case basis approval policy.

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How to Identify Phishing Emails

How to Identify Phishing Emails

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In phishing emails, criminals sometimes pretend to be financial institutions, sometimes online shops, sometimes lottery organisations, and sometimes even your boss. Add to this a faithfully recreated email and website design, and suddenly there is a great danger of a successful phishing attack. So how is it possible to identify a phishing attack? With our overview of the characteristics of phishing emails, you can now detect any attempt at fraud and learn how to detect dangerous emails.

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Outgoing e-mails are rejected with “Unable to relay”

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Dear NoSpamProxy customers,

since a few hours we see in customer environments that send outgoing e-mails from O365 via NoSpamProxy the error “Unable to relay”. We found that Microsoft uses a new certificate to identify all Office 365 email servers, which was issued by a GlobalSign CA rather than Microsoft’s own CA. The NoSpamProxy security check to see if the server is a valid “company e-mail server” fails and the e-mails are rejected. A new Fast Channel Version is available to fix this issue.

We apologize for any inconvenience caused.

Your NoSpamProxy Team

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Wie sicher ist E-Mail-Verschlüsselung?

How Secure is Email Encryption?

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The #Efail debate has caused great uncertainty among users and IT departments regarding the effectiveness of email encryption. Headlines such as S/MIME and PGP hacked were not only factually incorrect, but also led some self-proclaimed experts to advise against the use email encryption in general. The fact that the problem is not S/MIME or PGP itself was completely ignored. In reality, encryption is bypassed by getting the email client to send the plain text of the email to the attacker.

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Welche Möglichkeiten der E-Mail-Verschlüsselung gibt es?

Possibilities of Email Encryption

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Emails are a common part of our private and professional communication. However, there seems to be no awareness of the vulnerability of each individual email sent. In many cases, emails travel across a variety of servers and countries, regardless of whether the recipient lives on a different continent or just on a different floor in the same building. The structure of the internet makes this possible.

As a result, anyone with the neccessary technical knowledge can intercept, read or even change emails at any node during transport. And he or she can write emails in your name.

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