nanog mailing list archives

Re: VeriSign SMTP reject server updated


From: Robert Blayzor <rblayzor () inoc net>
Date: Sat, 20 Sep 2003 16:43:58 -0400


On 9/20/03 3:39 PM, "Roy" <garlic () garlic com> wrote:

While 550 may be the proper answer for a domain that does not exist, it
is an improper answer for a domain that does exist but that is not
included in the zone for some reason.  Verisign is not the owner of the
domain and, as such, has no right to discard mail destined for that
domain.  Mail should remain in the queue of the sender.

Not to be picky, but the banner also violates RFC.  The 220 should be
followed by FQDN identifying the system.

[flem:~] telnet zzfoobar.net 25
Trying 64.94.110.11...
Won't send login name and/or authentication information.
Connected to zzfoobar.net.
Escape character is '^]'.
220 VeriSign mail rejector (Postfix)


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Robert Blayzor, BOFH
INOC, LLC
rblayzor () inoc net
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