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vexim-acl-check-content.conf:

  # Always add X-Spam-Score and X-Spam-Report headers, using SA system-wide settings
  # (user "nobody"), no matter if over threshold or not.
  warn  message         = X-Spam-Score: $spam_score ($spam_bar)
        condition       = 
        spam            = Debian-exim:true
  warn  message         = X-Spam-Report: $spam_report
        spam            = Debian-exim:true

  accept hosts          = 127.0.0.1:+relay_from_hosts
  accept authenticated  = *


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exim4.config.template:

plain_mysql_server:
        driver = plaintext
        public_name = PLAIN
        server_condition = ${lookup mysql{SELECT '1' FROM users \
                                WHERE username = '${quote_mysql:$2}' \
                                AND clear = '${quote_mysql:$3}'} {yes}{no}}
        server_set_id = $2
        server_prompts = :
        .ifndef AUTH_SERVER_ALLOW_NOTLS_PASSWORDS
        server_advertise_condition = ${if eq{$tls_cipher}{}{}{*}}
        .endif

login_mysql_server:
        driver = plaintext
        public_name = LOGIN
        server_prompts = "Username:: : Password::"
        server_condition = ${lookup mysql{SELECT '1' FROM users \
                                WHERE username = '${quote_mysql:$1}' \
                                AND clear = '${quote_mysql:$2}'} {yes}{no}}
        server_set_id = $1
        .ifndef AUTH_SERVER_ALLOW_NOTLS_PASSWORDS
        server_advertise_condition = ${if eq{$tls_cipher}{}{}{*}}
        .endif

cram_md5_mysql_server:
        driver = cram_md5
        public_name = CRAM-MD5
        server_secret = ${lookup mysql{SELECT clear FROM users \
                                WHERE username = '${quote_mysql:$1}'}{$value}fail}
        server_set_id = $1