mail from SUN to Symbolics
David S. Hayes
merlin at hqda-ai.UUCP
Tue Jan 20 08:42:41 AEST 1987
In article <145 at arcsun.UUCP>, kasper at arcsun.UUCP (Richard Kasperski) writes:
>
> When I mail a message across the ethernet from a SUN to a Symbolics
> the SMTP mailer on the SUN hangs while waiting for a reply to the
> HELO message. It appears that the Symbolics never sends the appropriate
> reply. However when a message is send from the Symbolics to the SUN
> the transferal is succesful. This leads me to believe that the problem
> is not with the Symbolics mailer but rather with the mailer on the
> SUN( I have other evidence that points this way ).
I experienced the same problem about 8 months ago. I finally
found that the Sun was not terminating its lines with a CR,
while the Symbolics was waiting for one. I've modified my
sendmail.cf to have two different ethernet mailers, as shown:
############################################################
##### Ethernet Mailer specification
Mether, P=[IPC], F=CDFmMnRsuX, S=11, R=21, A=IPC $h
S11
R$*<@$+>$* $@$1<@$2>$3 already ok
R$+ $@$1<@$w> tack on our hostname
S21
# None needed.
############################################################
##### Symbolics Mailer
##### Send to local lisp machines, with lisp domain rewriting.
Msymbolics, P=[IPC], F=CDFmMnRsuX, S=12, R=22, E=\r, A=IPC $h
# Sender rewrite.
S12
R$*<@$-> $1<@$2.autocross>
R$- $1<@$w.autocross>
# Recipient rewrite.
S22
R$*<@$-> $1<@$2.autocross>
R$- $1<@$A.autocross>
The determination of which mailer to use is controlled by
ruleset zero. It has been given a list of Symbolics machines, as
a class. A rule has been added:
# Delivery to one of the symbolics machines.
R$*<@$=A> $#symbolics $@$[$A$] $:$1
This specifies the symbolics mailer for any machine in class A,
which is defined at the top of the cf file. The square-bracket
construct in the right-hand side causes the lookup of the given
hostname in /etc/hosts, and its replacement with the formal
hostname.
The domain rewrite rules were necessary at our site because
the Symbolics identifies themselves as being in a different domain
than the Sun system.
Hope this solves your troubles,
--
David S. Hayes, The Merlin of Avalon
PhoneNet: (202) 694-6900
ARPA: merlin%hqda-ai.uucp at brl-smoke
UUCP: ...!seismo!sundc!hqda-ai!merlin
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