A separate service is provided to send large/unsafe attachments - https://www.oulu.fi/perl/lataa/lataa

The maximum size of one message including attachment is 50MB when sent through an email client (ie. Outlook, Entourage, Mail, Thunderbird).

Messages sent through Webmail are limited to 10MB including attachments.

Virus / Unsafe files

The University has measures in place to automatically scan and remove potentially malicious code. How does this apply to you? If trying to send an attachment ending with a file extension listed below, your message will be delivered without the attachment. Encrypted .zip attachments will not be sent for now.

Extension File type

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.ade Microsoft Access project extension
.adp Microsoft Access project
.asx Windows Media Audio / Video
.bas Microsoft Visual Basic class module
.bat Batch file
.chm Compiled HTML Help file
.cmd Microsoft Windows NT Command script
.com Microsoft MS-DOS program
.cpl Control Panel extension
.crt Security certificate
.exe Program
.hlp Help file
.hta HTML program
.inf Setup Information
.ins Internet Naming Service
.isp Internet Communication settings
.js JScript file
.jse Jscript Encoded Script file
.lnk Shortcut
.mda Microsoft Access add-in program
.mdb Microsoft Access program
.mde Microsoft Access MDE database
.mdt Microsoft Access workgroup information
.mdw Microsoft Access workgroup information
.mdz Microsoft Access wizard program
.msc Microsoft Common Console document
.msi Microsoft Windows Installer package
.msp Microsoft Windows Installer patch
.mst Microsoft Windows Installer transform;
.ops Office XP settings
.pcd Photo CD image; Microsoft Visual compiled script
.pif Shortcut to MS-DOS program
.prf Microsoft Outlook profile settings
.reg Registration entries
.scf Windows Explorer command
.scr Screen saver
.sct Windows Script Component
.shb Shell Scrap object
.shs Shell Scrap object
.url Internet shortcut
.vb VBScript file
.vbe VBScript Encoded script file
.vbs VBScript file
.wsc Windows Script Component
.wsf Windows Script file
.wsh Windows Script Host Settings file
.rar WinRAR archiver
.wmf Windows Metafile

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If anti virus software finds such files listed above within an archive (ie. .zip); the message will be delivered but the archive will not.

Email
> OutlookWebApp (puru)
> Webmail (guide) (koivu)
> Spam filtering (guide) (koivu)
> Pine (koivu)
> Client configuration (koivu)
> Attachments (koivu)
> FileSender (guide)