{"id":4209,"date":"2020-10-30T20:09:44","date_gmt":"2020-10-30T19:09:44","guid":{"rendered":"https:\/\/webhosting.de\/amavis-die-schnittstelle-zwischen-mailserver-und-spam-virusschutz\/"},"modified":"2020-10-30T20:09:44","modified_gmt":"2020-10-30T19:09:44","slug":"amavis-la-interface-intermediate-mailserver-and-spam-virus-protection","status":"publish","type":"post","link":"https:\/\/webhosting.de\/es\/amavis-die-schnittstelle-zwischen-mailserver-und-spam-virusschutz\/","title":{"rendered":"amavis - La interfaz entre el servidor de correo y la protecci\u00f3n contra el spam y los virus"},"content":{"rendered":"<p>Amavis es un esc\u00e1ner de virus del lado del servidor escrito en el lenguaje de programaci\u00f3n Perl y utilizado en servidores de correo Unix. Si se produce un <a href=\"https:\/\/webhosting.de\/es\/e-mail-von-webhosting-account-trennen\/\">Correo electr\u00f3nico<\/a> Amavis los retira autom\u00e1ticamente de la circulaci\u00f3n. Recientemente, el fiable programa tambi\u00e9n bloquea los mensajes de spam que, de otro modo, saturar\u00edan el servidor de correo. Esta \u00fatil herramienta puede ahorrar mucho tiempo y las opciones de configuraci\u00f3n dejan mucho espacio para una configuraci\u00f3n individual del servidor de correo.<\/p>\n<h3>SpamAssassin desactiva los virus de forma fiable<\/h3>\n<p>Una parte importante de Amavis es el m\u00f3dulo SpamAssassin. Independientemente del n\u00famero de destinatarios introducido, este bloqueador de spam comprueba si el mensaje se ajusta a la categor\u00eda de spam preestablecida o no. De este modo, el servidor de correo no se ve sobrecargado con esta tarea y, en cambio, todos los mensajes entrantes se procesan de forma eficiente y centralizada seg\u00fan los deseos de cada destinatario. En general, la combinaci\u00f3n de bloqueador de spam y esc\u00e1ner de virus funciona con un gran ahorro de recursos. Amavis fue escrito en el lenguaje de programaci\u00f3n Perl, con un enfoque especial en la prevenci\u00f3n de desbordamientos de b\u00fafer, mientras que proporciona a los administradores con opciones de mantenimiento simples. Amavis no se ve a s\u00ed mismo principalmente como un esc\u00e1ner de virus, sino m\u00e1s bien como una interfaz que se puede ampliar con programas antivirus como SpamAssassin, ClamAV, Kaspersky LMS o AVG AV. En este marco, las amenazas al servidor de correo, as\u00ed como a los ordenadores de trabajo, pueden detectarse y prevenirse con un tiempo m\u00ednimo. Amavis es capaz de archivar o poner en cuarentena los mensajes. Estos pueden ser almacenados en un buz\u00f3n o en un SQL <a href=\"https:\/\/webhosting.de\/es\/datenbank-server\/\">Base de datos<\/a> puede ser transferido. Tambi\u00e9n es posible crear una firma DKIM con Amavis. Este protocolo de identificaci\u00f3n garantiza la autenticidad del correo. Esto evita la suplantaci\u00f3n del correo, que siempre causa graves problemas de seguridad. Amavis soporta una variedad de configuraciones de MTA. En general, el administrador del servidor tiene muchos ajustes a su disposici\u00f3n y puede asignar destinatarios de correo a subgrupos individuales, que a su vez funcionan seg\u00fan sus propias reglas. Por ejemplo, es posible recibir mensajes de spam con su propia notificaci\u00f3n de cabecera, que se adapta al destinatario respectivo.<\/p>\n<h3>Amavis convence con una buena actuaci\u00f3n<\/h3>\n<p>Aunque Amavis fue escrito en el lenguaje de programaci\u00f3n Perl, el software puede convencer con un buen rendimiento. Esto se debe principalmente a que los grandes bloques de datos no se escanean l\u00ednea por l\u00ednea, se ha evitado la copia innecesaria de archivos y los desarrolladores han demostrado un gran sentido de la optimizaci\u00f3n. No obstante, en combinaci\u00f3n con los programas antivirus antes mencionados, hay que prestar atenci\u00f3n a qu\u00e9 correos electr\u00f3nicos deben someterse a un examen m\u00e1s detallado. Especialmente si el identificador requerido est\u00e1 disponible, se pueden definir excepciones para permitir un procesamiento r\u00e1pido y oportuno. Amavis se compromete principalmente con las normas RFC definidas. Algunos de los inicios del proyecto se remontan a 1997. Los mensajes entrantes se reenv\u00edan al Agente de Transferencia de Correo utilizando los conocidos protocolos SMTP y LMTP. Si se produce un imprevisto durante la transferencia del correo, se aplican inmediatamente una serie de medidas para asegurar el mensaje. Con este conjunto de medidas, Amavis evita que el correo se pierda o que los mensajes se vuelvan ilegibles debido a un fallo. Los mensajes no se guardan en la memoria, lo que deber\u00eda evitar que los mensajes demasiado grandes provoquen una ca\u00edda o problemas graves en el servidor. La \u00fanica excepci\u00f3n es la transferencia al esc\u00e1ner de virus SpamAssassin, pero esto se debe a la forma en que funciona el esc\u00e1ner. Esto puede evitarse utilizando la funci\u00f3n <a href=\"https:\/\/webhosting.de\/es\/administrator\/\">Administrador<\/a> establece un l\u00edmite de tama\u00f1o de los archivos para que los mensajes que superen un cierto tama\u00f1o no sean reenviados al m\u00f3dulo y tengan que ser sometidos a un control separado en su lugar Al igual que con otras interfaces de servidores de correo, ciertos remitentes pueden ser introducidos en una lista negra o blanca. Esto le ahorra el trabajo al servidor de correo y le permite clasificar a los remitentes que han causado problemas en el pasado o que no necesitan ser revisados. En definitiva, Amavis re\u00fane un convincente paquete de software que puede ser f\u00e1cilmente ampliado con m\u00f3dulos adicionales o esc\u00e1neres de virus y demuestra ser una interfaz \u00fatil.<\/p>","protected":false},"excerpt":{"rendered":"<p>Bei Amavis handelt es sich um einen serverseitigen Virenscanner, der in der Programmiersprache Perl geschrieben wurde und auf Unix-Mailservern zum Einsatz kommt. Wird eine unerw\u00fcnschte E-Mail entdeckt, zieht Amavis diese automatisch aus dem Verkehr. Neuerdings werden mit der zuverl\u00e4ssigen Programm auch Spam-Nachrichten blockiert, die ansonsten den Mailserver zum\u00fcllen w\u00fcrden. Mit dem n\u00fctzlichen Tool l\u00e4sst sich 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