E-mail Technical Coordinators Meeting
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E-mail Technical E-mail Technical Coordinators Meeting Coordinators Meeting Steve Siirila Steve Siirila April 11, 2007
description
E-mail Technical Coordinators Meeting. Steve Siirila April 11, 2007. Outages. Sat 2/17: additional SAN storage at WBOB added for garnet to allow for storage move Sat 2/24: garnet hardware physically moved Sun 3/11 (after scheduled power outage): 3:15pm: SAN re-sync attempted - PowerPoint PPT Presentation
Transcript of E-mail Technical Coordinators Meeting
E-mail Technical E-mail Technical Coordinators MeetingCoordinators Meeting
Steve SiirilaSteve Siirila
April 11, 2007
OutagesOutages
Sat 2/17: additional SAN storage at WBOB Sat 2/17: additional SAN storage at WBOB added for garnet to allow for storage moveadded for garnet to allow for storage move
Sat 2/24: garnet hardware physically Sat 2/24: garnet hardware physically movedmoved
Sun 3/11 (after scheduled power outage):Sun 3/11 (after scheduled power outage):– 3:15pm: SAN re-sync attempted3:15pm: SAN re-sync attempted– 3:45pm: garnet crashed3:45pm: garnet crashed
Tue 3/13 4am: garnet service restoredTue 3/13 4am: garnet service restored Tue 3/13 10am: Tue 3/13 10am: www.tc.umn.eduwww.tc.umn.edu restored restored Fri 4/6: Web hotel outage (network issue)Fri 4/6: Web hotel outage (network issue)
Future UpgradesFuture Upgrades
Incoming mail (MX) server Incoming mail (MX) server hardware (3 Sun V210 to 3 Sun hardware (3 Sun V210 to 3 Sun T1000s)T1000s)
Incoming mail (MX) server Incoming mail (MX) server software (BT Mailhub to BT MMP)software (BT Mailhub to BT MMP)
Directory software (BT GDS to BT Directory software (BT GDS to BT Aphelion)Aphelion)
LDAP gateway software (BT LDAP LDAP gateway software (BT LDAP concentrator to OpenLDAP)concentrator to OpenLDAP)
DovecotDovecot
3/23: autoreply problem affecting 3/23: autoreply problem affecting Dovecot servers only was fixedDovecot servers only was fixed
4/11: Approx. 20,000 users now 4/11: Approx. 20,000 users now on Dovecot IMAP/POP serviceon Dovecot IMAP/POP service
Total IMAP Users Per Week (Past Year)
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
2006
0412
2006
0425
2006
0508
2006
0521
2006
0603
2006
0616
2006
0629
2006
0708
2006
0721
2006
0803
2006
0816
2006
0829
2006
0911
2006
0924
2006
1007
2006
1020
2006
1102
2006
1115
2006
1128
2006
1211
2006
1224
2007
0106
2007
0119
2007
0201
2007
0214
2007
0227
2007
0312
2007
0325
2007
0407
Date
Nu
mb
er o
f U
sers
Webmail Pro+3.0 UsersGopherMail UsersOther Users
Total IMAP Connections Per Week (Past Year)
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
Date
Nu
mb
er o
f Co
nn
ectio
ns
Webmail Pro+3.0 Connections
GopherMail Connections
Other Connections
SMTP Client Usage
Other7.9%
Thunderbird 20.4%
Mozilla/52.6%
Microsoft-Entourage/10
0.5%
Microsoft Outlook IMO0.7%
Microsoft Office Outlook 12
1.2%
MicrosoftOutlook2.5%
Thunderbird 126.3%
MS Office Outlook 11
17%
Apple Mail14.0%
Microsoft Outlook Express 6
10%
Microsoft Office Outlook
6%
QUALCOMM Windows Eudora
Version 75.2%
Oracle Connector for Outlook 10
4.4%Mozilla Thunderbird 1
4.1%
Microsoft-Entourage/11
3%
QUALCOMM Windows Eudora
Version 63.1%
Spam ControlSpam Control
Exploring possibility of “greylisting” Exploring possibility of “greylisting” and/or rate-limiting unclassified and/or rate-limiting unclassified sites with excessive user spam sites with excessive user spam reportsreports
Looking into adding:Looking into adding:– PSBL block list, PSBL block list, http://http://psbl.surriel.compsbl.surriel.com– DNSWL whitelist: DNSWL whitelist: http://http://www.dnswl.orgwww.dnswl.org
E-mail Messages Rcvd Per Week (Past Year)
0
1
2
3
4
5
6
7
8
9
10
Week Ending
Mill
ion
s o
f M
essa
ges
BlockedUnknown userGrey ListedAcceptedOther
E-mail Messages Received (Mar 11 - Apr 8)
Unknown user8.8%
User allowed0.5%
Accepted28.3%
Greylist/Ratelim21%
Relay Denied0.2%
Blocked41.3%
User Inactive0.4%
Messages Blocked By Reason (Past Year)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
04/1
005
/01
05/2
206
/12
07/0
307
/24
08/1
409
/04
09/2
510
/16
11/0
611
/27
12/1
801
/08
01/2
902
/19
03/1
204
/02
Week Ending
Mill
ion
s o
f M
es
sa
ge
s B
loc
ke
d
Spam source Dynamic Insecure ProtoViolation DNS Unauth(PBL)
Spam/Virus Blocking by Reason (Mar 5 - Apr 8)
Unauth (PBL)38.8%
Bad mail from0.1%
DNS5.0%
Spam source14.4%
Proto Violation2.2%
Insecure26.9%
Dynamic12.6%
Viruses Detected Per Week (Past 12 months)
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
4/17 5/17 6/17 7/17 8/17 9/17 10/17 11/17 12/17 1/17 2/17 3/17
Week Ending
Vir
use
s D
etec
ted
Bits ‘N BytesBits ‘N Bytes
Two-factor servers being installedTwo-factor servers being installed Auto-filing re-activatedAuto-filing re-activated Morris e-mail server Morris e-mail server
decommissioned 3/29 after decommissioned 3/29 after moving users to TC serversmoving users to TC servers
‘‘Till next month…Till next month…
Steve SiirilaSteve Siirila [email protected]@umn.edu 612-626-0244612-626-0244
Internet ServicesInternet Services [email protected]@umn.edu
