Question

authentication not enabled | postfix

Posted February 13, 2015 31.6k views

When sending a test mail from my wordpress newsletter plugin i get the error
AUTH command failed: 503 5.5.1 Error: authentication not enabled
My system has Ubuntu and postfix

When i try the command it outputs :

/etc/postfix$ postconf | grep smtpd_sasl_auth_enable
smtpd_sasl_auth_enable = no

But when looking at my master.cf
i see

# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (yes)   (never) (100)
# ==========================================================================
smtp      inet  n       -       -       -       -       smtpd
#smtp      inet  n       -       -       -       1       postscreen
#smtpd     pass  -       -       -       -       -       smtpd
#dnsblog   unix  -       -       -       -       0       dnsblog
#tlsproxy  unix  -       -       -       -       0       tlsproxy
submission inet n       -       -       -       -       smtpd
  -o syslog_name=postfix/submission
  -o smtpd_tls_wrappermode=no
  -o smtpd_tls_security_level=encrypt
  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions
#  -o smtpd_sender_restrictions=$mua_sender_restrictions
#  -o smtpd_recipient_restrictions=
#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
#  -o milter_macro_daemon_name=ORIGINATING
#smtps     inet  n       -       -       -       -       smtpd
#  -o syslog_name=postfix/smtps
#  -o smtpd_tls_wrappermode=yes
   -o smtpd_sasl_auth_enable=yes
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions

Already tried a reload
Also in the var/log/mail.log i am seeing:

Feb 13 07:06:45 cheapmailing postfix/smtpd[13646]: warning: dict_nis_init: NIS domain name not set - NIS lookups disabled
Feb 13 07:06:45 cheapmailing postfix/smtpd[13646]: connect from unknown[my.dropplets.ip.address]
Feb 13 07:06:45 cheapmailing postfix/smtpd[13646]: disconnect from unknown[my.dropplets.ip.address]
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winston770420
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winston770420

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3 answers
ryanpq May 25, 2016

This is odd. The postconf tool can also be used to configure settings in addition to just viewing them. I would try the following to attempt to change the setting:

sudo postconf -e 'smtpd_sasl_auth_enable = yes'
sudo service postfix reload

and then check if the configuration variable has changed.

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TylerScafidi June 16, 2017

This didn’t work for me.

I am having the worst trouble trying to setup postfix/dovecot behind a Comcast residential gateway (SMTP port 25 block).

503 5.5.1 Error: authentication not enabled

Here’s some of the “/etc/postfix/master.cf”:

smtp inet n - - - 1 postscreen

smtpd pass - - - - - smtpd

dnsblog unix - - - - 0 dnsblog

tlsproxy unix - - - - 0 tlsproxy

submission inet n - - - - smtpd

-o syslogname=postfix/submission
-o smtpdtlssecuritylevel=encrypt
-o smtpdsaslauth_enable=yes

-o smtpdrejectunlisted_recipient=no

-o smtpdclientrestrictions=$muaclientrestrictions

-o smtpdhelorestrictions=$muahelorestrictions

-o smtpdsenderrestrictions=$muasenderrestrictions

-o smtpdrecipientrestrictions=

-o smtpdrelayrestrictions=permitsaslauthenticated,reject

-o miltermacrodaemon_name=ORIGINATING

587 inet n - - - - smtpd
-o syslog_name=postfix/smtps

-o smtpdtlswrappermode=yes

-o smtpdsaslauth_enable=yes

-o smtpdrejectunlisted_recipient=no

-o smtpdclientrestrictions=$muaclientrestrictions

-o smtpdhelorestrictions=$muahelorestrictions

-o smtpdsenderrestrictions=$muasenderrestrictions

—- Here’s some of the “/etc/postfix/main.cf” modifications made following this article (https://samhobbs.co.uk/2013/12/raspberry-pi-email-server-part-2-dovecot):

mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailboxsizelimit = 0
recipientdelimiter = +
inetinterfaces = all
inet_protocols = ipv4

homemailbox = Maildir/
mailboxcommand =

smtpdrecipientrestrictions =
permitsaslauthenticated,
permitmynetworks,
rejectunauth_destination

smtpdhelorequired = yes
smtpdhelorestrictions =
permitmynetworks,
permitsaslauthenticated,
rejectinvalidhelohostname,
rejectnonfqdnhelohostname,
rejectunknownhelohostname
checkheloaccess hash:/etc/postfix/heloaccess

smtpdsasltype = dovecot
smtpdsaslpath = private/auth
smtpdsaslauth_enable = yes

– Comcast SMTP Relay

relayhost = [smtp.comcast.net]:587
smtpsaslauthenable = yes
smtpsaslpasswordmaps =
hash:/etc/postfix/smtppasswd
smtpsaslsecurityoptions = noanonymous
smtpsasltlssecurityoptions = noanonymous

I have had the AUTH PLAIN, IMAP, and relay host working today already, but something has broken it.

Also, the messages accepted in the relay never delivered, but they were accepted by a 3rd party, Comcast, relay, which would have delivered the message even if my networking wasn’t correct, I’d assume, no?

Please advise for what you need to assist in troubleshooting.

Thanks!

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redochka November 10, 2017
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