Filtragem Email MailScanner www.mailscanner.info A Free Anti-Virus and Anti-Spam Filter Protecting over 1 billion e-mails every day Over 1 million downloads Perl based Instalação simples Compatível com Sendmail/Postfix/Exim,etc como alternativas amavisd-new
Filtragem Email Spam Scanning Most of the spam scanning is done with the help of SpamAssassin: DNS blacklists over 850 heuristic rules Bayesian probability system Distributed network-based checks such as Razor, DCC, Pyzor which track the frequency of messages around the world to identify spam
Filtragem Email Virus Scanning Scans all e-mail passing through it for viruses using any combination of the supportedanti- virus engines Many sites run 2 or 3 different engines for better coverage and resistance against brand new viruses Anti-Virus Engines20 are supported, including all the major market leaders ClamAV is free and has greatly improved over the past year
Filtragem Email Virus Handling Attachments containing viruses or other security problems are removed All safe content is delivered untouched Recipients and senders may get a warning explaining what happened and who they should contact for help System admin notified of basic details of message and what viruses were found
Filtragem Email Attachment Filenames Allows/denies attachments based on filename and file content, providing implementation of any email security policy. Easily used to block attachments which are common ways of disguising viruses, e.g. ReadMe.doc.exe These can be varied for different users.
Filtragem Email Highly Configurable Virtually all configuration parameters can be set using fixed values, rulesets or Custom Functions Rulesets allow different values for any users or domains you specify Reports are supplied in 15 languages Language can be different for different domains and users
Filtragem Email Rulesets Archive Mail = /etc/MailScanner/rules/arch.rules ;-) From: email@example.com firstname.lastname@example.org From: - Matches when the message is from a matching address To: - Matches when the message is to a matching address FromOrTo: - Matches when the message is from or to a matching address email@example.com # Individual address *@domain.com # Any user at 1 specific domain 192.168.21.0/24 # Any SMTP client IP address in this network *@* # Default value default # Default value Destination email address / directorio com ou sem datas appended / ficheiro mbox
Filtragem Email Custom Functions These allow implementation of any other configuration model you choose, including external databases of user options Many useful examples are provided Minimal Perl knowledge needed
Filtragem Email Hash-Sharing Systems Send a checksum of a message to an online database of spam. "Has anyone reported this as spam?". The online database can report back "yes", allowing your mail system to raise the spam score for that message. Pyzor Razor DCC
Filtragem Email Mailwatch MailWatch for MailScanner is a web-based front- end to MailScanner written in PHP, MySQL Load Average and Todays Totals for Messages, Spam, Viruses and Blocked Content. Colour-coded display of recently processed mail. Drill-down onto each message to see detailed information. Quarantine management allows you to release, delete or run sa-learn across any quarantined messages. Reports with customisable filters and graphs
Webmin / Usermin Gestão e Utilização do servidor via https
Filtragem Email Dovecot Dovecot is an open source IMAP and POP3 server for Linux security primarily in mind. It's fast, simple to set up, requires no special administration and it uses very little memory.
Filtragem Email Laboratórios Utilização de Máquinas Virtuais Instalação de um servidor de email com filtragem de spam e virus, além de webmail e gestão via http
Filtragem Email Obrigado Perguntas e Respostas firstname.lastname@example.org
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