I have been trying for a week now to get vBulletin to play nice with my 
Postfix/Dovecot setup.  I've thrown my hands up and have come to the mailing 
list for help.  Yes, I've searched archives, Googled, Lycos'd, Yahoo!'d, 
contacted my SMTP Relay (they're useless at this point) and yes, prayed.

I'm running Ubuntu Lucid Lynx with Postfix and Dovecot installed and configured 
11 different ways as per my results from various avenues of searching.  I can 
send mail locally.  I can even send mail out to yahoo and gmail accounts 
through a SMTP Relay I'm paying for (?).  However, when I try to send out 
emails VIA vBulletin I get the following:

postfix/smtpd[16354]: 38BEE86492: client=mydomain.com[xx.xxx.xxx.xxx], 
sasl_method=LOGIN, sasl_username=notelling
postfix/cleanup[16359]: 38BEE86492: 
message-id=<20100815025837.2aff74bed...@www.mydomain.com>
postfix/qmgr[15953]: 38BEE86492: from=<notell...@mydomain.com>, size=1213, 
nrcpt=1 (queue active)
postfix/smtpd[16354]: disconnect from mydomain.com[xx.xxx.xxx.xxx]
postfix/smtp[16360]: certificate verification failed for 
relay.dnsexit.com[64.182.102.185]:25: self-signed certificate
postfix/smtp[16360]: 38BEE86492: to=<notell...@gmail.com>, 
relay=relay.dnsexit.com[64.182.102.185]:25, delay=2.6, 
delays=0.07/0.02/2.1/0.33, dsn=5.7.1, status=bounced (host 
relay.dnsexit.com[64.182.102.185] said: 550 5.7.1 <notell...@gmail.com>... 
Relaying denied. Proper authentication required. (in reply to RCPT TO command))
postfix/cleanup[16359]: C588486495: 
message-id=<20100815025839.c588486...@mydomain.com>
postfix/bounce[16362]: 38BEE86492: sender non-delivery notification: C588486495
postfix/qmgr[15953]: C588486495: from=<>, size=3260, nrcpt=1 (queue active)
 postfix/qmgr[15953]: 38BEE86492: removed
postfix/local[16363]: C588486495: to=<notell...@mydomain.com>, relay=local, 
delay=0.11, delays=0.06/0.01/0/0.05, dsn=2.0.0, status=sent (delivered to 
maildir)
postfix/qmgr[15953]: C588486495: removed


Various Points of Interest:

main.cf:
smtpd_tls_cert_file = /etc/ssl/certs/mydomain.com.crt
smtpd_tls_key_file = /etc/ssl/private/mydomain.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

smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
smtpd_sasl_password_maps = hash:/etc/postfix/relay_passwd
smtpd_sasl_security_options =
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = 
permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_client_restrictions = 
permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination
smtp_tls_security_level = may
smtpd_tls_security_level = may
smtpd_tls_auth_only = no
smtp_tls_note_starttls_offer = yes
smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth-client


Could smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem be the problem?

I've tried disabling ssl and tls all together.  I've tried using one and not 
the other.  vBulletin offers the selection of using SSL or TLS and i've tried 
both and none at all.  Nothing is working.  I am always presented with the 
Denied response I listed above.  I have also tried generating certificates 
various ways in various paths.  Nothing.  Any help or ideas will be greatly 
appreciated.  Thank you for your time.

Eljon Curry





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