Hi there,
I've got a strange problem where Exim fails the sender callout check and thus
defers delivery of the message:
sender verify defer for <<someone>@sagarika.aero.iisc.ernet.in>: Could not
complete sender callout check
The sender domain doesn't have an MX host:
mx sagarika.aero.iisc.ernet.in
sagarika.aero.iisc.ernet.in MX record currently not present
So Exim is supposed to connect to the A RR -- however the host does NOT return
ICMP echo replies:
ping sagarika.aero.iisc.ernet.in
PING sagarika.aero.iisc.ernet.in (144.16.73.10): 56 data bytes
--- sagarika.aero.iisc.ernet.in ping statistics ---
17 packets transmitted, 0 packets received, 100% packet loss
BUT I could manually send mail to this host:
============================== 8x ================================
# telnet sagarika.aero.iisc.ernet.in 25
Trying 144.16.73.10...
Connected to sagarika.aero.iisc.ernet.in.
Escape character is '^]'.
220 sagarika.aero.iisc.ernet.in ESMTP Sendmail 8.11.2/8.8.7; Mon, 26 Aug 2002
12:11:13 +0530
helo blah
250 sagarika.aero.iisc.ernet.in Hello
www.mydomain.de [aaa.bbb.cc.dd], pleased
to meet you
mail from:<>
250 2.1.0 <>... Sender ok
rcpt to:<<someone>@sagarika.aero.iisc.ernet.in>
250 2.1.5 <<someone>@sagarika.aero.iisc.ernet.in>... Recipient ok
data
354 Enter mail, end with "." on a line by itself
.
250 2.0.0 g7Q6fM609409 Message accepted for delivery
quit
221 2.0.0 sagarika.aero.iisc.ernet.in closing connection
Connection closed by foreign host.
============================== 8x ================================
Even if I force redelivery by invoking "exim -M <id>" the same problem
reappears.
Does Exim have problems with the fact that the domain lacks an MX AND the A RR
can't be pinged?
Anyway, is there a way to "override" the sender callout, i.e. "don't verify
the sender but immediately deliver the message to the local recipient?" If
this is missing shouldn't this function be added for "hard cases?"
Thanks,
Ralf
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