Let me apologize for these potentially clueless questions in advance.
1) Doesn't SASL adequately solve the problem of authorizing users to an SMTP
server without adding complexity to SPF?
2) Doesn't SASL provide user authentication without tying them to specific
accounts on specific machines?
3) Wouldn't a full map of "allowed to send mail" account names/user
machines, including laptops, for a large organization result in a monster
SPF record?
4) Wasn't SPF meant to detect forgeries on incoming mail only?
If this is indeed clueless, as a favor to an SPF newbie, please correct my
misconceptions.
--
Seth Goodman
off-list replies to sethg [at] GoodmanAssociates [dot] com
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