554: Relay Access Denied

[bitmite]

I have set up a Postfix MTA with Dovecot as my pop3 server.
I can send email internally
ie. from me.domain.ca to me.domain.ca

but I can not send to say me.yahoo.com

every time I get 554 <me.yahho.com>: Relay access denied

could some one please help

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[ericbrunson]

add your ip address ranges to "my_networks".

 

[bitmite]

I am not sure what you mean do you have an example


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[lgarner]

There are several in main.cf. Look in the heavily commented "TRUST AND RELAY CONTROL" section for the mynetworks_style and mynetworks settings.

 

[bitmite]

I add my local IP address range ie
mynetworks = 192.168.0.0/28, 127.0.0.0/8
but it still does not work

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[jkupski]

After making changes to the configuration file, you need to restart postfix. You can do this either by using the appropriate init script, or simply executive "postfix reload" as root.

 

[bitmite]

yep did that still nothing

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[nedmega]

are you sure /28 is the right range for your network?

What is the output of 'postconf -n | grep -i "mynetworks"'

 

[MuppetMaster]

I am having a similar problem. I am running the latest SuSE 10 release with Postfix installed. I am attempting to use ssmtp with an application to send emails out via the localhost Postfix as an 'open' relay restricted to my IP addresses. I have followed the details here (as best I know):

http://www.metaconsultancy.com/whitepapers/smtp.htm#s3

by adding this to /etc/postfix/main.cf:

----
#added for local relaying
mynetworks = 127.0.0.0/8 {my_real_ip}/8
relay_domains = muppetmaster.com
#
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination, permit
----

And yet, when I try to use ssmtp from the command line I get:

----
waldorf:/etc/postfix # ssmtp john@doe.com
subj: Testing
Testing 123

ssmtp: RCPT TO:<john@doe.com> (554 <john@doe.com>: Relay access denied)
----

one last point, my /usr/local/etc/ssmtp/sstmp.conf has this line:

hostname=my_real_hostname.com

Configuration output:

---
waldorf:~ # postconf -n | grep -i "mynetworks"
mynetworks = 127.0.0.0/8 my_real_ip_range/8
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination, permit
---

Any ideas on how to get this working?

 

[bitmite]

ok I did get this to work I do not have the resouses I used infront of me but I did find that I had to install TLS (Transfer Layer Security) this allowed me to send email from any computer to any computer.
## TLS
# Transport Layer Security
# TLS-Patch by Lutz Jäcke
#
smtpd_use_tls = yes
smtpd_tls_auth_only = yes
smtpd_tls_key_file = /etc/postfix/newreq.pem
smtpd_tls_cert_file = /etc/postfix/newcert.pem
smtpd_tls_CAfile = /etc/postfix/cacert.pem
smtpd_tls_loglevel = 3
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom


I also installed

# SASL SUPPORT FOR CLIENTS
#
# The following options set parameters needed by Postfix to enable
# Cyrus-SASL support for authentication of mail clients.
#
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain = $myhostname
broken_sasl_auth_clients = yes

search google for these pieces I know I found a good HOWTO just do not remember know.

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