Ok, I finally have some more definitive things to show for this little rant of mine!
This is a dump of one of my log files:
Code:
Unrecognized warning:
disabling connection caching : 8 Time(s)
lots of deferred mail, that is bad for performance : 45 Time(s)
mail for [127.0.0.1]:10024 is using up 11504 of 11504 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 13998 of 13998 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 16501 of 16501 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 19184 of 19184 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 20000 of 20000 active queue entries : 38 Time(s)
mail for [127.0.0.1]:10024 is using up 4001 of 4001 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 6399 of 6399 active queue entries : 1 Time(s)
mail for [127.0.0.1]:10024 is using up 9336 of 9336 active queue entries : 1 Time(s)
please avoid flushing the whole queue when you have : 45 Time(s)
problem talking to service private/scache: Connection timed out : 49 Time(s)
scache_find_dest_service: cannot send file descriptor: Connection reset by peer : 1 Time(s)
see http://www.postfix.org/STRESS_README.html for examples of stress-dependent configuration settings : 2 Time(s)
service "smtp" (25) has reached its process limit "100": new clients may experience noticeable delays : 2 Time(s)
so that Postfix quickly skips unavailable hosts : 45 Time(s)
so that Postfix wastes less time on undeliverable mail : 45 Time(s)
to avoid this condition, increase the process count in master.cf or reduce the service time per client : 2 Time(s)
to turn off these warnings specify: qmgr_clog_warn_time = 0 : 45 Time(s)
you may need to increase the main.cf minimal_backoff_time and maximal_backoff_time : 45 Time(s)
you may need to increase the master.cf smtp-amavis process limit : 45 Time(s)
you may need to reduce smtp-amavis connect and helo timeouts : 45 Time(s)
**Unmatched Entries**
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa1888@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa200015@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa200326@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa2101711@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa2204@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa2288@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa2720473@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa320@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgaqrs@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgarfild@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgb.hi@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgb100m@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgb670808@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgbhhbgvffvgbh@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgbhnjmkl080@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgc600@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgcaert01@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgd.tw@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
1C02D554D3B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<John_Emma159@pchome.com.tw> to=<vgear125@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa3388@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa475@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa480206@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9AF44554D3C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Samuel_Destiny951@so-net.net.tw> to=<spa5152779@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1B8654E891: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryce_Margaret951@ms7.hinet.net> to=<lesley0216@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1B8654E891: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryce_Margaret951@ms7.hinet.net> to=<lesley0407@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1BFE54E8AF: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Nathan_Victoria456@ms2.url.com.tw> to=<qq042704@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1BFE54E8AF: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Nathan_Victoria456@ms2.url.com.tw> to=<qq04341@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
AACCC54E134: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Stephen_Leslie789@pchome.com.tw> to=<xiaotwo0921@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
AACCC54E134: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Stephen_Leslie789@pchome.com.tw> to=<xiaowan38@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1BFE54E8AF: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Nathan_Victoria456@ms2.url.com.tw> to=<qq051200@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1B8654E891: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryce_Margaret951@ms7.hinet.net> to=<lesley0713@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
AACCC54E134: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Stephen_Leslie789@pchome.com.tw> to=<xiaoweifang13@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
C1B8654E891: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryce_Margaret951@ms7.hinet.net> to=<lesley0830@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
41ACA62CF56: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Stephen_Leslie789@ms15.url.com.tw> to=<jasonwu0721@mail.jiaher.com.tw> proto=SMTP helo=<81.178.2.118>
CF23B62CF74: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Richard_Michelle456@ms3.url.com.tw> to=<dj61104@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
E204762CF8C: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Dakota_Alexandria357@sina.com.tw> to=<chi1666@ms4.hinet.net> proto=SMTP helo=<81.178.2.118>
517AC62CF5B: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Zachary_Abigail789@ms5.hinet.net> to=<sb9061@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
9852E62CF72: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Lucas_Kylie654@msa.hinet.net> to=<j150076@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
8B3D662CF70: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Jesse_Mary201@url.com.tw> to=<a955003@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
6A1CC62CF5D: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryce_Margaret951@ms3.hinet.net> to=<halo1408@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
7C5BE62CF6C: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Garrett_Melanie56@ms13.url.com.tw> to=<dragonball2300@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
E7BB262CF76: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Jose_Katherine159@yahoo.com.tw> to=<dc8862@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
E7B4562CF75: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Spencer_Mia546@ms1.hinet.net> to=<new_206@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
NOQUEUE: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Nicholas_Sarah987@ms7.url.com.tw> to=<w0928470670@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
F24DE62CF64: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Charles_Gabrielle852@ms9.url.com.tw> to=<verycheapshop@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
3981262CF87: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Bryan_Jordan2548@ms12.hinet.net> to=<dream77827@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
AA82262CF73: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Alexander_Olivia357@seed.net.tw> to=<alfchentw1@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
AA82262CF73: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Alexander_Olivia357@seed.net.tw> to=<alfdd@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
0B7C462EA72: reject: RCPT from unknown[202.75.56.212]: 503 5.5.0 <unknown[202.75.56.212]>: Client host rejected: Improper use of SMTP command pipelining; from=<Kyle_Stephanie458@yahoo.com.tw> to=<jyi_horng@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
0B82162EA73: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Joseph_Elizabeth657@ms4.url.com.tw> to=<sbk0217@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
155B962EAB9: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Steven_Brittany4123@ms2.url.com.tw> to=<may_be_a43@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
DE57262EAB7: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Daniel_Ashley147@ms8.url.com.tw> to=<flying5782@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
E84CC62EAB8: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Nicholas_Sarah987@yam.com.tw> to=<ran048@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
8ED5F630DAB: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Garrett_Melanie56@ms14.hinet.net> to=<lulu935293@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
D7A61630DAF: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Richard_Michelle456@ms13.hinet.net> to=<kwitlp@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
2F3D4630DB1: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Ethan_Amanda625@msa.hinet.net> to=<ffyhy123@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
21180630DA7: reject: RCPT from unknown[202.75.56.216]: 503 5.5.0 <unknown[202.75.56.216]>: Client host rejected: Improper use of SMTP command pipelining; from=<Alex_Briana258@ms7.url.com.tw> to=<lindsay19817@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
02180630DA6: reject: RCPT from unknown[202.75.56.214]: 503 5.5.0 <unknown[202.75.56.214]>: Client host rejected: Improper use of SMTP command pipelining; from=<Xavier_Marissa456@ms11.url.com.tw> to=<haru1626@yahoo.com.tw> proto=SMTP helo=<81.178.2.118>
<snip> I really hope someone can help me in figuring out what this is and why it occurs so that next time round I can take proper prevention measures.....
Regards,
Kaya