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Was ist ein Spamfilter?

Der Spamfilter hält Ihren Posteingang frei von Junkmail

Haben Sie sich jemals gefragt, wie E-Mails in Ihren Spam-Ordner landen? Wenn Sie Ihren Spam-Ordner überprüfen, werden Sie wahrscheinlich ein paar Spam-Mails darin finden. 

Spam-Mails gibt es wie Sand am Meer und sie können alles Mögliche enthalten, vom Gewinn eines Autos bis zur Aufnahme eines Kredits.

Woher wissen E-Mail-Anbieter, dass es sich bei bestimmten E-Mails tatsächlich um Spam-Mails handelt? Jedes Mal, wenn Sie eine E-Mail in Ihrem Posteingang erhalten, kommt der automatische Spamfilter von Ihrem E-Mail-Anbieter zum Einsatz. 

Der Spamfilter verfügt über eine Reihe von Funktionen, die mithilfe von Algorithmen überprüfen und entscheiden, ob es sich um eine Spam-Mail handelt.

Die meisten Spamfilter haben einen Schwellenwert: Wenn eine E-Mail den Test besteht, kann sie weiter in Ihren Posteingang gelangen. Ist dies nicht der Fall und sie fällt unter den, von Algorithmen berechneten, Schwellenwert wird sie automatisch an Ihren Spam-Ordner weitergeleitet.

Bayesscher Filter

handelt es sich um einen komplexen Prozess, der bestimmte Wörter und Ausdrücke mit Spam-Nachrichten identifiziert. Gleichzeitig werden auch andere Wörter und Ausdrücke mit vertrauenswürdigen E-Mails, die an Sie gesendet werden, identifiziert. Auf der Grundlage dieser beiden Prozesse wird die Wahrscheinlichkeit berechnet, ob es sich bei einer eingehenden E-Mail um Spam handelt oder nicht. Im Gegensatz zu anderen Spamfiltern prüft diese Methode alles, vom Text der E-Mail über die Kopfzeile bis hin zu den Metadaten und anderen technische Aspekte der eigentlichen E-Mail.

Und was noch besser ist: Der Filter lernt mit der Zeit dazu. Jedes Mal, wenn Sie E-Mails erhalten, sowohl Spam- als auch normale E-Mails, untersucht und versteht der Filter den Aufbau dieser E-Mails, um in Zukunft noch genauere Berechnungen durchführen zu können.

Da die Filter jedoch mit der Zeit immer besser werden, ändert sich auch die Herangehensweise der Personen, die diese Spam-E-Mails versenden. Wenn die Spammer zum Beispiel “Hallo” schreiben, sehen Sie vielleicht “H4llo”. Dies ist ein Versuch des Spammers, Spamfilter, die nicht so schlau sind, zu verwirren.

Warum ist ein Spamfilter wichtig?

Ein Spamfilter ist sehr wichtig, denn er schützt Sie vor genau dem – Spam. Jeden Tag werden die Inhalte der Spam-Mails ausgefeilter und die Spammer entwickeln neue Methoden, um Spamfilter zu umgehen.

Glücklicherweise erkennen die Meisten von uns eine Spam-Mail im Posteingang fast schon automatisch. Es besteht jedoch immer die Gefahr, dass wir eine geschickt geschriebene Spam-Mail mit einer seriösen E-Mail verwechseln.

Keiner möchte auf eine Spam-Mail hereinfallen und möglicherweise Viren und Ransomware auf seinen Computer herunterladen. Ein guter Spamfilter ist daher das A und O, um sicherzustellen, dass Sie geschützt sind.

Viren- und Spamfilter bei one.com

Bei one.com sind alle Ihre E-Mail-Konten mit einem Viren- und Spamfilter ausgestattet. Der Virenfilter schützt Ihre E-Mails vor Viren. Der Webmail Spamfilter hält Ihren Posteingang frei von Spam und Phishing-Mails

Die Filter werden automatisch stündlich aktualisiert, sodass Sie immer optimal gegen die neuesten Viren und Spam-Bedrohungen geschützt sind.

Der Filter ist standardmäßig aktiviert; Sie müssen nichts weiter tun, als den Schutz zu genießen. Wenn eine E-Mail als Spam erkannt wird, wird sie automatisch in Ihren Spam-Ordner verschoben und alle E-Mails, die schädliche Viren enthalten, werden sofort gelöscht.