On Sat, Aug 20, 2005 at 12:49:26PM +0530, Hardik Dalwadi wrote: > Claudio Jeker wrote: > >On Fri, Aug 19, 2005 at 06:21:43PM +0530, Hardik Dalwadi wrote: > > > >>Hello list, > >> > >>I want to run qmail-ldap with DDATA_COMPRESS support. > >>I have enable <LDAPFLAGS=-DQLDAP_CLUSTER -DDATA_COMPRESS > > >>also enable <ZLIB=-lz>. But i have can test that it's working in > >>my m/c. I have seen the log file. > >> > >>--------- > >>400000004305d15d3337fdec 21032 > 250-PIPELINING > >>400000004305d15d33380d8c 21032 > 250-DATAZ <i got this extra option after > >>compilation of qmail-ldap> > >>400000004305d15d3338155c 21032 > 250 8BITMIME > >>--------------------- > >> > >>My main Q? is that, what benifits i am getting after enable this > >><DDATA_COMPRESS>. And how do i > >>check that. > >> > > > > > >To check it use telnet mailserver 25 and issue a "EHLO dude". > >If you see a DATAZ feature it is enabled. > Thats good . > > > >The benefits are less bytes transported. Emails can be compressed > >massivly. I see results between 40 and 84% savings (most around 50-60%). > My Q? that how you have check this. I have check this feture in my m/c by > sending 37MB attachhment mail > without < DDATA_COMPRESS > option it's take 3 min ~ approximately and also > test same thing after enableing > <DDATA_COMPRESS> option. it's take 3 min ~ approximately. whats the > diffe.............man > and one more thing. Is it required that both side this option should be > enable? Please give me some good > test scenario so i can test. I want to use this option on production server. > >We use this feature for a loose mail cluster setup where the nodes are > >connected via ADSL lines where the bandwith is very limited. > > >
Enable SMTP logging with level 3 and look for a line like: @400000004307753c15b1eea4 qmail-smtpd 16416: DDC saved 77 percent or a line in the qmail log like: @400000004307753700bdaca4 delivery 1095097: success: 133.25.90.34_accepted_message./DDC_saved__75_percent./ Remote_host_said:_250_ok_1124562211_qp_14251_by_cis.k.hosei.ac.jp/ -- :wq Claudio
