define ('confAUTH_OPTIONS', 'Ap')

TRUST_AUTH_MECH('EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')

define('confAUTH_MECHANISMS', 'EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')

,    sendmail.me  ,  sendmail -
 :

define('CERTJ3IR', '/usr/share/ssl/certs')
define('confCACERT_PATH', 'CERT_DIR')
define('confCACERT', 'CERT_DIR/sendmail.pem')
define('confSERVER_CERT', 'CERT_DIR/sendmail.pern')
define('confSERVER_KEY', 'CERT_DIR/sendmail.pern')
defineCconfCLIENT_CERT', 'CERT_DIR/sendmail.pem')
define('confCLIENT_KEY', 'CERT_DIR/sendmail.pern')

      : SSL ( ) 
TLS. SSL    ,      -
       ,   -
 .   TLS      -
 ,     STARTTLS    
. TLS     ,    . -
     SSL,   sendmail -
  SMTPS.  ,     
sendmail.me,  sendmail     SSL:

DAEMON_OPTIONS('Port=smtps, Name=TLSMTA, M=s')

 SSL   

 SSL      . ,  -
 KMail   Security (),    
  : None (), SSL  TLS.

 sendmail

   sendmail     .   -
 ,    -   
 .        .
   ,     
sendmail,      .   
   .

Postfix.    Postfix,    Red Hat. Postfix
      ,       
  sendmail,     sendmail. Postfix  -
         
  sendmail.   Postfix   
www.postfix.org/docs.html.

Qmail. Qmail    Postfix,     . 
 Qmail     maildir,     ,
  mbox (.  "  sendmail"    -
).  Web- Qmail  www. qmail. org.

 20. sendmail:   ,            655