From: Sean Kennedy (skennedygeekdom.vcn.com)
Date: Tue May 01 2007 - 18:09:24 CDT

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Hello,

I am running Postfix 2.3.3. I do recipient address verification with
relay_recipient_maps that hooks up to an LDAP database. It recently
came to my attention that aliased addresses aren't canonicalized and
passed through relay_recipient_maps. So right now, anyone can send to a
bogus usersomealiaseddomain.com and it would be accepted.

Would adding all the aliases to my LDAP database then hooking that into
virtual_alias_maps work? Is there any easier, perhaps more elegant way
to do recipient verification on addresses that are aliases?

Sean Kennedy

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