配置信息
# Uncomment this line to enable singing disclaimer in outgoing mails.
$defang_maps_by_ccat{+CC_CATCHALL} = [ 'disclaimer' ];

# Program used to signing disclaimer in outgoing mails.
$altermime = '/usr/bin/altermime';

# Disclaimer in plain text formart.

# Program used to signing disclaimer in outgoing mails.
$altermime = '/usr/bin/altermime';

# Disclaimer in plain text formart.
@altermime_args_disclaimer = qw(--disclaimer=/etc/postfix/disclaimer/_OPTION_.txt --disclaimer-html=/etc/postfix/disclaimer/_OPTION_.txt --force-for-bad-html);

@disclaimer_options_bysender_maps = ({
    # Per-domain, per-user disclaimer setting:
    # '<domain>' => /path/to/disclaimer.txt,
    # '<email>' => /path/to/disclaimer.txt,
    # Catch-all disclaimer setting: /etc/postfix/disclaimer/default.txt
    '.' => 'default',
},);
也配置/etc/postfix/disclaimer/default.txt
也重启了amavisd
但是发送邮件时，免责声明内容不能显示