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Full Discussion: Electronic Mail Addressing
The Lounge What is on Your Mind? Electronic Mail Addressing Post 302433705 by bluescreen on Wednesday 30th of June 2010 09:24:28 AM
Old 06-30-2010
When I was SA on 10 AT&T 3B2 systems, they used the BANG "!" in place of the AT "@". So a user's email address was: system!user

One caveat to this was there was no "DNS" back then and you had to know the route to the user's system. So when you sent an email, the "TO:" field looked something like this:

Code:
system4!system3!system2!system1!system!user

 

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Mail::SPF::Mech::All(3) 				User Contributed Perl Documentation				   Mail::SPF::Mech::All(3)

NAME
Mail::SPF::Mech::All - SPF record "all" mechanism class DESCRIPTION
An object of class Mail::SPF::Mech::All represents an SPF record mechanism of type "all". Constructors The following constructors are provided: new: returns Mail::SPF::Mech::All Creates a new SPF record "all" mechanism object. %options is a list of key/value pairs representing any of the following options: qualifier See "new" in Mail::SPF::Mech. new_from_string($text, %options): returns Mail::SPF::Mech::All; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidMech Creates a new SPF record "all" mechanism object by parsing the string and any options given. Class methods The following class methods are provided: default_qualifier qualifier_pattern See "Class methods" in Mail::SPF::Mech. name: returns string Returns 'all'. name_pattern: returns Regexp Returns a regular expression that matches a mechanism name of 'all'. Instance methods The following instance methods are provided: text qualifier name stringify See "Instance methods" in Mail::SPF::Mech. match($server, $request): returns boolean Returns true because the "all" mechanism always matches. See RFC 4408, 5.1, for details. SEE ALSO
Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech <http://tools.ietf.org/html/rfc4408> For availability, support, and license information, see the README file included with Mail::SPF. AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org> perl v5.16.3 2014-06-10 Mail::SPF::Mech::All(3)
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