[cobalt-users] POP before SMTP, Open relay still open

["J. Patrick Lanigan" <patl@xxxxxxxxxxx>]

List members,

I realize that open relays are a common question on the list and I have
searched the archives, but I am still lost as to why my testing shows that
relay is still open after having installed and turned on the POP before SMTP
pkg. Here are the appropriate lines from my maillog:

Jul  5 17:28:14 xxxx sendmail[18370]: RAA18370: from=<NONE>, size=0,
class=0, pri=0, nrcpts=0, proto=SMTP, relay=members.iinet.net.au
[203.59.24.150]
Jul  5 17:28:15 xxxx sendmail[18371]: RAA18371: ruleset=check_mail,
arg1=<spamtest>, relay=members.iinet.net.au [203.59.24.150], reject=553
<spamtest>... Domain name required
Jul  5 17:28:15 xxxx sendmail[18371]: RAA18371: from=<spamtest>, size=0,
class=0, pri=0, nrcpts=0, proto=SMTP, relay=members.iinet.net.au
[203.59.24.150]
Jul  5 17:28:17 xxxx sendmail[18372]: RAA18372: from=<>, size=704, class=0,
pri=30704, nrcpts=1, msgid=<rlytest-994368338-28086@xxxxxxxxxxxxxxxxxx>,
proto=SMTP, relay=members.iinet.net.au [203.59.24.150]
Jul  5 17:28:18 xxxx sendmail[18373]: RAA18372: to=xxxx@xxxxxxxx,
delay=00:00:02, xdelay=00:00:01, mailer=esmtp, relay=xxxx.xxxx.xxxx.com.
[xxx.xxx.xxx.xxx], stat=Sent (2.0.0 f65LSLj27651 Message accepted for
delivery)

As you can see one is rejected and the next method is accepted and
delivered. Does the window for SMTP stay open for anyone until the timeout
is reached? Or is it only open for that IP that the pop login is from?

I would really appreciate some help,
J. Patrick Lanigan - Web Developer
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