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This authenticator is an interface to the authentication facility of the Dovecot POP/IMAP server, which can support a number of authentication methods. If you are using Dovecot to authenticate POP/IMAP clients, it might be helpful to use the same mechanisms for SMTP authentication. This is a server authenticator only. There is only one option:
| Use: dovecot | Type: string | Default: unset |
This option must specify the socket that is the interface to Dovecot
authentication. The public_name
option must specify an authentication
mechanism that Dovecot is configured to support. You can have several
authenticators for different mechanisms. For example:
dovecot_plain: driver = dovecot public_name = PLAIN server_socket = /var/run/dovecot/auth-client server_set_id = $auth1 dovecot_ntlm: driver = dovecot public_name = NTLM server_socket = /var/run/dovecot/auth-client server_set_id = $auth1 |
If the SMTP connection is encrypted, or if $sender_host_address
is equal to
$received_ip_address
(that is, the connection is local), the "secured"
option is passed in the Dovecot authentication command. If, for a TLS
connection, a client certificate has been verified, the "valid-client-cert"
option is passed. When authentication succeeds, the identity of the user
who authenticated is placed in $auth1
.
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