I just finished up setting up domainkeys for sendmail. and i fired up
outlook express and try to send email to my yahoo mail. i get error like
below. where i did wrong? my domain is using DDNS and i sending email
from my isp dsl line.



Mar 19 17:04:20 71-6-209-180 sm-mta[32114]: m2JH4IvD032114:
from=<source@my_domain.com>, size=347, class=0, nrcpts=1,
msgid=<47E1478B.1080101@my_domain.com>, proto=ESMTP, daemon=MTA,
relay=160.249.50.60.brf03-home.isp.net.sg [60.50.249.160]
Mar 19 17:04:20 71-6-209-180 dk-filter[1501]: (unknown-jobid) external
host 160.249.50.60.brf03-home.isp.net.sg attempted to send as my_domain.com
Mar 19 17:04:20 71-6-209-180 sm-mta[32114]: m2JH4IvD032114: Milter
insert (1): header: X-DomainKeys: Sendmail DomainKeys Filter v1.0.0
unknown-host (unknown-jobid)
Mar 19 17:06:58 71-6-209-180 sm-mta[29834]: m2JH1eIE029719: timeout
waiting for input from g.mx.mail.yahoo.com. during client greeting
Mar 19 17:07:06 71-6-209-180 sm-mta[29834]: m2JH1eIE029719:
to=<destination@yahoo.com>, delay=00:05:24, xdelay=00:05:14,
mailer=esmtp, pri=120317, relay=e.mx.mail.yahoo.com. [216.39.53.1],
dsn=4.0.0, stat=Deferred: 451 Message temporarily deferred - [160]
Mar 19 17:09:25 71-6-209-180 sm-mta[32143]: m2JH4IvD032114: timeout
waiting for input from a.mx.mail.yahoo.com. during client greeting
Mar 19 17:14:25 71-6-209-180 sm-mta[32143]: m2JH4IvD032114: timeout
waiting for input from g.mx.mail.yahoo.com. during client greeting
Mar 19 17:14:30 71-6-209-180 sm-mta[32143]: m2JH4IvD032114:
to=<destination@yahoo.com>, delay=00:10:10, xdelay=00:10:10,
mailer=esmtp, pri=120347, relay=f.mx.mail.yahoo.com. [209.191.88.247],
dsn=4.0.0, stat=Deferred: 451 Message temporarily deferred - [160]

"technician" <software@theor.com> wrote in message
news:47e14c12$1_2@news.tm.net.my...
> I just finished up setting up domainkeys for sendmail. and i fired up
> outlook express and try to send email to my yahoo mail. i get error like
> below. where i did wrong? my domain is using DDNS and i sending email
> from my isp dsl line.
>
> Mar 19 17:04:20 71-6-209-180 sm-mta[32114]: m2JH4IvD032114:
> from=<source@my_domain.com>, size=347, class=0, nrcpts=1,
> msgid=<47E1478B.1080101@my_domain.com>, proto=ESMTP, daemon=MTA,
> relay=160.249.50.60.brf03-home.isp.net.sg [60.50.249.160]
> Mar 19 17:04:20 71-6-209-180 dk-filter[1501]: (unknown-jobid) external
> host 160.249.50.60.brf03-home.isp.net.sg attempted to send as
my_domain.com
> Mar 19 17:04:20 71-6-209-180 sm-mta[32114]: m2JH4IvD032114: Milter
> insert (1): header: X-DomainKeys: Sendmail DomainKeys Filter v1.0.0
> unknown-host (unknown-jobid)
> Mar 19 17:06:58 71-6-209-180 sm-mta[29834]: m2JH1eIE029719: timeout
> waiting for input from g.mx.mail.yahoo.com. during client greeting
> Mar 19 17:07:06 71-6-209-180 sm-mta[29834]: m2JH1eIE029719:
> to=<destination@yahoo.com>, delay=00:05:24, xdelay=00:05:14,
> mailer=esmtp, pri=120317, relay=e.mx.mail.yahoo.com. [216.39.53.1],
> dsn=4.0.0, stat=Deferred: 451 Message temporarily deferred - [160]
> Mar 19 17:09:25 71-6-209-180 sm-mta[32143]: m2JH4IvD032114: timeout
> waiting for input from a.mx.mail.yahoo.com. during client greeting
> Mar 19 17:14:25 71-6-209-180 sm-mta[32143]: m2JH4IvD032114: timeout
> waiting for input from g.mx.mail.yahoo.com. during client greeting
> Mar 19 17:14:30 71-6-209-180 sm-mta[32143]: m2JH4IvD032114:
> to=<destination@yahoo.com>, delay=00:10:10, xdelay=00:10:10,
> mailer=esmtp, pri=120347, relay=f.mx.mail.yahoo.com. [209.191.88.247],
> dsn=4.0.0, stat=Deferred: 451 Message temporarily deferred - [160]

DK signing has to happen on the host that originates the message. From the
error, your home machine is sending, not your server that has your domain.