3D Print Lab Information Lab Rules (pdf) Instruction Manual - MakerWare(pdf) Instruction Manual - Makerbot Desktop (pdf)
Day 1 With Your Computer Account (pdf) How do I request a Computer Account How do I change my password How do I check my disk quota How do I increase my disk quota How do I check my print quota How do I access Purdue Resources from Off Campus (VPN services)
How do I see the jobs I have running on tools or widget How do I kill a job running on a UNIX or Linux machine How do I open a command prompt on tools or widget What are shells, shell variables and dot files How do I set up paths
Configuring a Mac to print to ME network printers Apple mail IMAP client setup Enabling SSL on Email Clients Connecting/Mapping to a single SMB/CIFS server/share Connecting/Mapping Multiple Network Drives with different credentials Thunderbird for Mac IMAP client setup
ME Electronics Fabrication Workshop Slides (ppt) General Electronic Component Notes (ppt)
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Print Quota Details including how to get more print quota Check my print quota now Configuring my PC to print to ME network printers - Windows 7 (PDF) Configuring my PC to print to ME network printers - Windows 8 (PDF) Configuring a Mac to print to ME network printers ME network printers queue name and model Print Troubleshooting
Available PC's in the ME Computer Lab Historical Data of ME Computer Lab Usage Request Help Lab Hours How do I use the CD-RW/DVD-RW drives How do I use the scanners What computing hardware is available in each lab What software is available and where Instruction Lab Trouble Report (for TA's)
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Instructional Laboratory Support - Mechanical Engineering


Methods of reducing quota usage

Purdue E-Mail Services


Performance and your ECN Mailbox

If you have an account on the Purdue Exchange server or MyMail system, this document does not apply. 
This document only applies to the ECN maintained Mechanical Engineering mail servers (Friction, Project and Torsion).

Where is my messages? I looked in /var/mail and there is nothing there!

In an effort to optimize speed and capacity, the ECN mail server friction, torsion and project use dmail and MBX formatted mail files. By using MBX formatted files, we are able to support users with MUCH larger mail files and folders. With dmail, the users 'Inbox' is stored in the home directory of the user in a file named INBOX rather than the normal system location /var/mail. There is a small placehold file left in /var/mail to instruct the server to check the users home directory for mail.

Is there a quota on my ECN E-mail on ME Mail Servers?

As of Spring of 2013, Mechanical Engineering does not enforce hard quotas for e-mail. The department monitors overall usage of the machine to ensure adequate capacity for all users. If a problem arises with the usage by any single user, the department will work with the user to rectify the situation. The goal of the machine is to meet the needs of all of its users - adding capacity when required to do so.

In general, for best performance we ask users to keep the total size of the 'INBOX', 'Trash', 'Deleted Messages', 'Sent Messages' and/or 'Sent' files under 1GB in total size and total message count under 2000. These specific files are accessed very frequently and when very large, will place a large I/O load on the mail servers. Other IMAP folders can be larger. 

My Mail is Very slow - what can I do?

The speed of your mail is based on a few factors. The first is overall network speed. If you are checking your mail from off campus or even out of the country, the overall network is slower than it is on campus and this will make your mail 'slow down'.

That said, the single biggest cause of mail slow downs is the shear size and number of messages in a mail folder. It is simple fact that a 1mb mail file is easier to parse and send across the network faster than a 500mb mail file. We strongly recommend 'filing' e-mail into meaningful subfolders to reduce the size of any single mail folder.

The second biggest cause of mail slow downs is deleted messages that have not been 'purged' or 'expunged'. With IMAP based mail clients, when you delete a message, you are actually just copying the message to the 'Trash' folder and marking it as deleted. You are not actually removing the message from the file. There is a command in most mail clients to 'compact' or 'purge' deleted messages. When you execute these commands, the mail file will shrink as the messages marked deleted are actually removed.