check_recipient_maps
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From: Jerim79 on 14 Nov 2006 15:14 This may not be the proper group to post this in, but the other group never repsonded. I am trying to get check_recipient_maps enabled. I have found some general guides, but nothing that is a step by step, all encompassing guide. What I believe is that all I need is this one line: check_recipient_maps hash:/etc/postfix/(name of file containing valid email addresses) If that is all there is to it, please let me know. If there is more to it, please let me know. I am just trying to get Postfix to verify the recipient against a list of valid email addresses and reject anything to a user not on the list.
From: Greg Hackney on 14 Nov 2006 17:24
Jerim79 wrote: > This may not be the proper group to post this in, but the other group > never repsonded. I am trying to get check_recipient_maps enabled. I > have found some general guides, but nothing that is a step by step, all > encompassing guide. What I believe is that all I need is this one line: > > check_recipient_maps hash:/etc/postfix/(name of file containing > valid email addresses) > > If that is all there is to it, please let me know. If there is more to > it, please let me know. I am just trying to get Postfix to verify the > recipient against a list of valid email addresses and reject anything > to a user not on the list. check_recipient_maps is not a stand-alone configuration; it needs to go underneath some smtpd restriction, the most common one being smtpd_recipient_restrictions. Mine looks like this: smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/recipients, reject_non_fqdn_recipient, permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unknown_recipient_domain The access file that you create, for example /etc/postfix/recipients, is most commonly a hashed database file. The file format is to put all the OK's at the top, and the REJECT's at the bottom (the file is parsed top to bottom): abuse(a)mydomain.com OK postmaster(a)mydomain.com OK suspect(a)mydomain.com HOLD @prohibited_domain.com REJECT reporter(a)newspaper.com REJECT Every time the file is changed, it's corresponding database file must be created, with: postmap /etc/postfix/recipients It creates a file named /etc/postfix/recipients.db The to make sure the changes take affect immediately rather than automatically some point in the future, run the command "postfix reload". The best overall reference is "man 5 postconf". -- Greg |