Eric Thomas <ERIC@FRECP11>
Wed, 8 Apr 1987 13:55 SET
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Harri,
Sorry if I wasn't clear, but I was speaking about problems with RFC822 mail
sent to LISTSERV for command execution, not to a list. When the origin is
unclear, you can omit the 'From:' field since 'Sender:' is always present. The
only problem is where to send the ack messages, but that's something else. But
when you're supposed to execute the thing as a command, it's different, you
must be much more rigid, especially with mail origin validation. The previous
versions used the RSCS origin but it seems to create mailing loops in some
cases. By the way, if your LISTSERV tells you that your MAILER has been locked
out, it's normal, it's a missing test in LSVMAIL that can cause a loop between
your MAILER and LISTSERV when the mail origin could not be parsed. You don't
have to SERVE the MAILER back, it doesn't need to send COMMANDS to LISTSERV
itself (I mean commands From: Network Mailer <MAILER@localnode>). The problem
with LISTSERV locking itself out is different and I'll have a look at it.
Eric
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