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E-mail Technical Coordinators Meeting Chris Bongaarts Steve Siirila January 11, 2006 Service Outages Wed Jan 4 22:00-22:30 (30min), Sun Jan 8 18:50-19:30 (40min) Authenticated SMTP (smtp.umn.edu) Mail Delays Related to move of directory server Tue Jan 10 13:15-15:20 (2hr 5min)

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e mail technical coordinators meeting

E-mail Technical Coordinators Meeting

Chris Bongaarts

Steve Siirila

January 11, 2006

service outages
Service Outages
  • Wed Jan 4 22:00-22:30 (30min),

Sun Jan 8 18:50-19:30 (40min)

    • Authenticated SMTP (smtp.umn.edu)
    • Mail Delays
    • Related to move of directory server
  • Tue Jan 10 13:15-15:20 (2hr 5min)
    • Premium Interactive (garnet)
    • Personal Web Services (www.tc.umn.edu)
    • Due to SAN problem
equipment moves
Equipment Moves
  • Equipment moved from CHRC to St. Paul
    • Directory server
    • Incoming mail server (MX)
    • Outgoing mail server (GW, relay)
    • IMAP/POP server (sapphire)
    • X.500/Kerberos authentication servers
    • Other internal servers
  • Two more e-mail servers (diamond, ruby) to move over next couple weeks
  • New site on DataCenter network
    • Redundant paths to campus network
    • Shared VLAN between sites
gophermail
GopherMail
  • New Webmail client based on University of Cambridge “Prayer”
  • Integrated with:
    • Central Authentication Hub (CAH)
    • UMN Spam Reporting
    • UMN LDAP Directory Services
  • No reliance on an external web server or PHP infrastructure
  • Utilizes IMAP and holds open up to 5 connections much like desktop clients
gophermail features
GopherMail Features
  • Ultra fast response time
  • Saving of draft messages
  • Forwarding of attachments
  • Downloading of entire mailboxes (UNIX format)
  • Search on sender, subject, date, size, text
  • Spell checker
  • Threading option
  • Import/export of address books
  • Populate address books via directory search
user maintained white blacklist
User-maintained White/Blacklist
  • New user-managed blocking controls coming in January
    • Up to 25 blocked e-mail addresses and/or e-mail address domains
    • Ability to add arbitrary e-mail addresses and/or e-mail address domains to current whitelist
    • Block reason USR will be used
complex blocking example
Complex Blocking Example
  • Block all hotmail.com except those specifically whitelisted:
    • Blacklist: hotmail.com
    • Whitelist: gooduser@hotmail.com
phase out of clear text passwords
Phase-out of clear-text passwords
  • 215 users remain insecure
    • All but 10 warned they will be “securified” next week
    • Last 10 will get “personal assistance”
  • Conversion of TC premium (garnet) accounts is complete
  • Final target: unauthenticated SMTP gateway now
top 10 unauthenticated smtp gateway ips jan 2 9
Top 10 Unauthenticated SMTP gateway IPs (Jan 2-9)
  • mail.nursing.umn.edu (-)
  • fever.cidrap.umn.edu (-)
  • mollusk.ndis.umn.edu (NEW)
  • ahcweb05.ahc.umn.edu (-1)
  • omaweb.stu.umn.edu (+4)
  • x94-230-136.lib.umn.edu (NEW)
  • wwws3.csom.umn.edu (-3)
  • ucs.micro.umn.edu (-3)
  • x94-51-192.ej1074.umn.edu (NEW)
  • hypnos.facm.umn.edu (NEW)
bits n bytes
Bits ‘N Bytes
  • UMCal SAN storage moved last week; app upgrade is this weekend (10g)
  • PKI pilot final report delivered to CIO
  • OITSEC: servers authorized for relay.tc.umn.edu service will be scanned to get access, and quarterly thereafter
till next month
Steve Siirila

sfs@umn.edu

612-626-0244

Chris Bongaarts

cab@umn.edu

612-625-1809

‘Till next month…