e-mail technical coordinators meeting chris bongaarts september 10, 2008
DESCRIPTION
Server Upgrades 3 Sun T5240 servers installed for use as new IMAP/POP servers 3 Sun V890 servers to be repurposed as new webmail servers 3 Sun V440 servers to be repurposed as new outbound MTA servers 3 Sun V210 servers to be repurposed as additional inbound MTA serversTRANSCRIPT
E-mail Technical E-mail Technical Coordinators MeetingCoordinators MeetingChris BongaartsChris Bongaarts
September 10, 2008
Outages WBOB power failure 8/14
– Affected: … Gophermail 8/15-16
– 50% of Gophermail authentication failed between 8/15 1540 and 8/16 1800
User block lists unavailable after 8/14 power outage; fully restored by 8/16
Intermittent IMAP/POP outages on diamond and peridot
Delayed e-mail to non-umn.edu sites 8/26-27 due to a queue inadvertently turned off to control outbound spam
Server Upgrades 3 Sun T5240 servers installed for use
as new IMAP/POP servers 3 Sun V890 servers to be repurposed
as new webmail servers 3 Sun V440 servers to be repurposed
as new outbound MTA servers 3 Sun V210 servers to be repurposed
as additional inbound MTA servers
Mail Filtering Non-umn.edu addresses now
allowed in departmental e-mail exploders
Virus/Phish Detected per day (May 6 thru Sept 8)
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
Date
Num
ber D
etec
ted
Per D
ay
BothNAIClamAV
Spam Reports
0
2000
4000
6000
8000
10000
12000
Date
Num
ber o
f mes
sage
s fla
gged
per
day
SAUserGoodConfirmed
Total Number of IMAP Users (Past Year )
0
10,000
20,000
30,000
40,000
50,000
60,000
Date
Num
ber o
f Use
rs P
er D
ay
Webmail Pro+3.0 UsersGopherMail UsersOther Users
Total Number of IMAP Connections (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
Num
ber o
f Con
nect
ions
Per
Day
Webmail Pro+3.0 ConnectionsGopherMail ConnectionsOther Connections
E-mail Messages Rcvd Per Week (Past Year)
0
2
4
6
8
10
12
14
16
18
20
22
Week Ending
Mill
ions
of M
essa
ges
Per W
eek
BlockedUnknown userGrey ListedAcceptedOther
Incoming Email Statistics ( August 11 - Sept. 8)
Relay Denied0.2%
User allowed0.2%
Greylisted orRate-limited
13.4%
User Inactive0.4%
Unknown user
12.7%
Blocked64.7%
Accepted18.2%
Messages Blocked By Reason (Past Year)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Week Ending
Mill
ions
of M
essa
ges
Blo
cked
Per
Wee
k
Spam source DynamicInsecure Protocol ViolationDNS Unauthorized access
Spam/Virus Blocking by Reason (August 11 - Sept. 8)
Dynamic2.6%
Spam source5.1%
Insecure24.8%
Unauthorized Access64.8% Protocol
Violation0.7%
Bad Mail From0.0%
DNS2.0%
Grouper Grouper now available for use
– http://middleware.internet2.edu/dir/groups/grouper/
– Can manage static groups with web interface
– Apps can query group membership via CAH or LDAP
– Contact [email protected] if interested
‘‘Till next month…Till next month… Chris BongaartsChris Bongaarts [email protected] 612-625-1809612-625-1809
Internet ServicesInternet Services [email protected]