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| [[Category:Support]] [[Category:AllPages]] | | #REDIRECT [[Email]] |
| ==== Intro ====
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| You use email directly using a '''webmail client''' : [http://squirrel.science.ru.nl http://squirrel.science.ru.nl].
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| An email client works with two servers :
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| * a receiving server which you can access using the IMAP protocol.
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| * a sending server which you can access using the SMTP protocol.
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| Note: all email will be stored on the receiving (IMAP) server and not on your home directory.
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| Cncz has a page about configuring email at : http://wiki.science.ru.nl/cncz/Categorie:Email?setlang=en.
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| ==== Configuring Email client ====
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| #make in your email program a new account with the following settings <br>
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| #*'''IMAP''' protocol<br>
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| #*mailserver: '''post.science.ru.nl'''
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| #*turn on '''TSL''' or '''SSL''' security (IMAP than uses port '''993''' )
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| # add in your email program a new sending (SMTP) server :
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| #*'''SMTP'''-server : '''smtp.science.ru.nl'''
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| #*Turn '''TLS''' on! Authentication is only allowed if TLS is used. Sometimes this is called STARTTLS (Eudora) or SSL (Outlook, Pine).
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| #*port : '''25'''<br>
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| #In your email client you can now make new folders under your Inbox folder. These new folders can be used to store mails from your Inbox folder by using drag and drop.
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| =====Remarks=====
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| *IMAP uses TSL/SSL, but SMTP uses TSL! <br>
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| *With IMAP you cannot turn SSL off! <br>
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| *With SMTP you can turn TLS off and it then still works on port 25. However when TLS is turned of authentication is disabled and you will be disallowed to connect to the SMTP server when you are outside the university network. SMTP can use TLS or not!
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| *For SMTP I advice to always keep TSL turned on.<br>
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| ===== More information =====
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| *http://wiki.science.ru.nl/cncz/Categorie:Email?setlang=en
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| *thunderbird users : (dutch only) http://wiki.science.ru.nl/cncz/Thunderbird
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| *[http://wiki.science.ru.nl/cncz/Email_authsmtp Authenticated SMTP ]
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| ====Addressbook====
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| An address book for the FNWI is available : http://wiki.science.ru.nl/cncz/Ldap_adresboek
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| ====Mailing lists====
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| There are simple lists of mail addresses possible, which can be requested through Postmaster and after that maintained by the owners themselves, see : http://wiki.science.ru.nl/cncz/Categorie:Email#.5Bnl.5DMailing_lijsten.5B.2Fnl.5D.5Ben.5DMailing_lists.5B.2Fen.5D
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| ====Spam filter====
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| By default a spam filter is applied on your incoming,forwarded and outgoing email. Mail which is marked as spam is automatically moved to the Spam imap folder.
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| You can configure the level of filtering in the [http://wiki.science.ru.nl/cncz/Dhz "doe het zelf" (do it yourself) website] by choosing from 4 levels :
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| * none: no blocking takes place.
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| * light: blocking by using the C&CZ's own white- and blacklists : whitelist.sci.kun.nl, blacklist.sci.kun.nl
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| * medium: also use lists from : bl.spamcop.net and sbl.spamhaus.org
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| * heavy: On top of the 'medium' lists also use lists from : dnsbl.sorbs.net and xbl.spamhaus.org
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| New logins automatically get the 'medium' blocklevel. This has a small risk that wanted mail will be blocked, but it clearly blocks more spam for most users than the 'light' blocklevel. Mail that would be blocked by a heavier blocklevel, is let through, but with a warning sign (X-Would-Be-Blocked-By:).
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| For more details look at the
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| [http://wiki.science.ru.nl/cncz/Email_spam?setlang=en C&CZ website about spam].
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| ====Virus filter====
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| By default a virus filter is applied on your incoming,forwarded and outgoing email.
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| If a mail contains an attachment with dangerous content, this mail is put into quarantine. The mail without the dangerous attachment, but with an attachment that explains what has happened, is forwarded to the addressee and put in its virus folder.
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| An attachment is considered dangerous if it is an executable program, e.g. .exe, .bat, .dll. Since MS-Windows considers zip-files to be directories, and therefore viruses in zip-files appeared, we also consider an executable in a zip-file to be dangerous. In order not to make the list too long (a zip-file in a zip-file in ..., the Dutch chocolate Droste-effect), we also consider a zip-file in a zip-file to be dangerous.
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| For more details look at the
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| [http://wiki.science.ru.nl/cncz/Email_antivirus?setlang=en C&CZ website about virus filtering].
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