On Oct 24, 2008, at 8:56 AM, Colin Summers wrote:
Emailer has stopped sending out mail. It logs "Network stream
error" on each attempt.
Network stream error in Emailer usually means it can't find the
remote server at all (ie: no route to host) or the remote server
dropped the connection for an unknown reason.
My first guess would have been your postfix server changed addresses
or in some other way is now refusing the OS 9 machine. I'd do a few
things.
1. ping the postfix server from the OS 9 machine. To do this you need
a tool capable of doing pings, there is nothing built in to OS 9 for
it. Might I recommend an older version of Interarchy as it should
have a ping tool, as well as it may help you in a later suggestion I
will be making. You can get it from www.interarchy.com (redirects you
to whatever their new company is), and then in the downloads page,
grab one of the older versions. I'm not sure which versions do what,
so you may just have to try a few.
2. try connecting via telnet from OS 9 to postfix on port 25. You
will need a telnet program for that. Go to www.macorchard.com, head
to the Classics section, then to Terminal, pick out whatever one you
want (I think I used to us either MacNifty or NCSA Telnet). Then use
that to open a connection to the postfix server on port 25 and see if
you get a response. If so, attempt to send an email manually and see
what happens. Enter the following:
"HELO " followed by your OS 9 IP address, then press enter
"MAIL FROM: <" your emailer email address ">" then press enter
"RCPT TO: <" email address to send it to ">" then press enter
"DATA" then press enter
type some stuff here, anything you want then press enter
"." then press enter (that is a single period on a line by itself)
"QUIT" then press enter.
If at any time you get errors, that would be a problem. Assuming all
that works...
3. Use Interarchy (or some other tool) to monitor the actual traffic
flowing between OS 9 and postfix. See what it is reporting. You can
do this on the postfix side using a Unix tool like tcpdump, although
you may find Interarchy's network stream watching tool easier to read
on the OS 9 side (that and it will be a little more sure that you are
ONLY getting the traffic you care about as the OS X side may be
running some other stuff that will just add unwanted junk to filter
thru).
Can I also make two suggestions. 1: your postfix machine is not
technically using a proper internal IP address. 192.254 is outside of
the reserved class C block. You should be on 192.168.x.x. I'm not
saying you will have a problem with the subnet you are using, but I'm
not saying you won't either. Of course, this probably means your
entire network is on the wrong block. If you need larger space than
Class C, use the Class B or Class A ranges instead. (172.16.x.x to
172.31.x.x for Class B or 10.x.x.x for Class A). Or of course, you
could have very valid reasons for using the range you are using.
Also, put an entry into your OS 9 hosts file to convert your postfix
IP to DNS. Some mail servers out there will consider the email to be
spam if any mail servers in the chain are addressed via an IP address
instead of by name. To do this just create a text file that has the
DNS name you want to use (can be basically anything) followed by a
space then the IP address of the server. Save that as plain text,
then go into the OS 9 TCP/IP control panel open the Expert options
(change your usermode), then click the Hosts button and point it to
the text file you created. This will overwrite any existing hosts
file you may have, so if you are already using one, just edit it
directly, it is somewhere buried in the System Folder (it is just
called Hosts, so look for that). You will need to stop and restart
your TCP/IP to have it take effect, easiest is usually to just
reboot. After doing the Hosts entry, change your Emailer account to
use the DNS name instead of the IP address.
Or, you can check out the SMTP Auth hacked version of Emailer on my
web site <http://www.mythtech.net/emailer> and see if you can use
that against a regular mail server such as from your ISP to resume
sending emails.
-chris
<www.mythtech.net>
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