Hello,

I am wondering if someone would be so kind as to
step me through the process of setting up main.cf
to send all mail via a single user account on a relay host.

I have a specific account on the relay host that
I wish to use.

It appears that the relay host is just bouncing the
emails due to a "failed 550 Sender verify" error.
I am not sure if this has to do with the way I have
set up SASL in main.cf or if there is a DNS problem.

See below for main.cf and syslog output.
Thanks for any pointers.

Pete


I set up main.cf as follows:

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl/sasl_passwd
smtp_sasl_type = cyrus
smtp_sasl_security_options = noanonymous

myhostname = ocelot
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = ocelot, localhost.localdomain, localhost
relayhost = [mail.island.com]
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all

/*...................................................................*/

Output to syslog, on failed email, is as follows:

Oct 15 08:31:12 ocelot postfix/pickup[12917]: 9705D3EEE54: uid=0 from=<greg>
Oct 15 08:31:12 ocelot postfix/cleanup[13343]: 9705D3EEE54: message-id=<[EMAIL PROTECTED]> Oct 15 08:31:12 ocelot postfix/qmgr[11429]: 9705D3EEE54: from=<[EMAIL PROTECTED]>, size=282, nrcpt=1 (queue active) Oct 15 08:31:13 ocelot postfix/smtp[13345]: 9705D3EEE54: to=<[EMAIL PROTECTED]>, relay=mail.island.com[xxx.xxx.xxx.xxx]:25, delay=1.3, delays=0.07/0.04/0.98/0.18, dsn=5.0.0, status=bounced (host mail.island.com[xxx.xxx.xxx.xxx] said: 550-Verification failed for <[EMAIL PROTECTED]> 550-DNS lookups for "ocelot" failed 550 Sender verify failed (in reply to MAIL FROM command)) Oct 15 08:31:13 ocelot postfix/cleanup[13343]: E01843EEE59: message-id=<[EMAIL PROTECTED]> Oct 15 08:31:13 ocelot postfix/qmgr[11429]: E01843EEE59: from=<>, size=2177, nrcpt=1 (queue active) Oct 15 08:31:13 ocelot postfix/bounce[13346]: 9705D3EEE54: sender non-delivery notification: E01843EEE59
Oct 15 08:31:13 ocelot postfix/qmgr[11429]: 9705D3EEE54: removed
Oct 15 08:31:14 ocelot postfix/local[13347]: E01843EEE59: to=<[EMAIL PROTECTED]>, orig_to=<[EMAIL PROTECTED]>, relay=local, delay=0.09, delays=0.01/0.01/0/0.06, dsn=2.0.0, status=sent (delivered to command: procmail -a "$EXTENSION")
Oct 15 08:31:14 ocelot postfix/qmgr[11429]: E01843EEE59: removed

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