SASL-Authentifizierung beim Postfix MTA 2.11 unter CentOS 7

https://tools.ietf.org/html/rfc4422

http://de.wikipedia.org/wiki/Simple_Authentication_and_Security_Layer

www.postfix.org/SASL_README.html

 # systemctl reload postfix

 # telnet ::1 25

Trying ::1...
Connected to ::1.
Escape character is '^]'.
220 mx01.nausch.org ESMTP Postfix
EHLO foo
250-mx01.nausch.org
250-PIPELINING
250-SIZE 52428800
250-ETRN
250-STARTTLS
250-AUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5
250-AUTH=PLAIN LOGIN DIGEST-MD5 CRAM-MD5
250-ENHANCEDSTATUSCODES
250 8BITMIME
quit
221 2.0.0 Bye
Connection closed by foreign host.

 # swaks --to django@nausch.org --from michael@nausch.org --auth CRAM-MD5 --auth-user michael@nausch.org --header-X-Test "test email" --server 10.0.0.87

 Password: DAx1d13g31l354u!

=== Trying 10.0.0.87:25...
=== Connected to 10.0.0.87.
<-  220 mx01.nausch.org ESMTP Postfix
 -> EHLO vml000087.dmz.nausch.org
<-  250-mx01.nausch.org
<-  250-PIPELINING
<-  250-SIZE 52428800
<-  250-ETRN
<-  250-STARTTLS
<-  250-AUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5
<-  250-AUTH=PLAIN LOGIN DIGEST-MD5 CRAM-MD5
<-  250-ENHANCEDSTATUSCODES
<-  250-8BITMIME
<-  250 DSN
 -> AUTH CRAM-MD5
<-  334 PDk2Mjk5MjQ4Njc5ODA2FucKMzQuMTQxNxNzE1M0B2bWwMAwNzcuZG16Lm5hdXNjaC5vcmc+
 -> bWljaGFlbEBuYXVzY2gub3JnIDg5Y0uOTQzNjAyMmM0NWM2NT0NDc2ZGQMzg0ZmI2WVl
<-  235 2.7.0 Authentication successful
 -> MAIL FROM:<michael@nausch.org>
<-  250 2.1.0 Ok
 -> RCPT TO:<django@nausch.org>
<-  250 2.1.5 Ok
 -> DATA
<-  354 End data with <CR><LF>.<CR><LF>
 -> Date: Mon, 27 Oct 2014 14:39:08 +0100
 -> To: django@nausch.org
 -> From: michael@nausch.org
 -> Subject: test Mon, 27 Oct 2014 14:39:08 +0100
 -> X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/
 -> X-Test: test email
 -> 
 -> This is a test mailing
 -> 
 -> .
<-  250 2.0.0 Ok: queued as 02E93C00088
 -> QUIT
<-  221 2.0.0 Bye
=== Connection closed with remote host.

 # less /var/log/maillog

Oct 27 14:39:13 vml000087 postfix/smtpd[23030]: connect from vml000087.dmz.nausch.org[10.0.0.87]
Oct 27 14:39:14 vml000087 postfix/smtpd[23030]: 02E93C00088: client=vml000087.dmz.nausch.org[10.0.0.87], sasl_method=CRAM-MD5, sasl_username=michael@nausch.org
Oct 27 14:39:14 vml000087 postfix/cleanup[23034]: 02E93C00088: message-id=<20141027133914.02E93C00088@mx01.nausch.org>
Oct 27 14:39:14 vml000087 postfix/qmgr[22988]: 02E93C00088: from=<michael@nausch.org>, size=502, nrcpt=1 (queue active)
Oct 27 14:39:14 vml000087 postfix/smtpd[23030]: disconnect from vml000087.dmz.nausch.org[10.0.0.87]
Oct 27 14:39:14 vml000087 postfix/lmtp[23035]: 02E93C00088: to=<django@nausch.org>, relay=10.0.0.77[10.0.0.77]:24, delay=0.27, delays=0.08/0.06/0.04/0.09, dsn=2.0.0, status=sent (250 2.0.0 <django@nausch.org> vCxFCAJLTlTpXAAArK2B9Q Saved)
Oct 27 14:39:14 vml000087 postfix/qmgr[22988]: 02E93C00088: removed

 # firewall-cmd --permanent --zone=public --add-rich-rule="rule family="ipv4" source address="10.0.0.87/32" port protocol="tcp" port="3659" destination address="10.0.0.77/32" accept"

 # firewall-cmd --reload

 # iptables -nvL IN_public_allow

Chain IN_public_allow (1 references)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 ACCEPT     tcp  --  *      *       10.0.0.87            10.0.0.77            tcp dpt:3659 ctstate NEW
    0     0 ACCEPT     tcp  --  *      *       10.0.0.87            10.0.0.77            tcp dpt:24 ctstate NEW
    0     0 ACCEPT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:22 ctstate NEW