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Configure a Mail/SMTP Server

Difficulties to send out email from ]project-open[? Basically, mail sending is handled by the ]po[ aolserver  web/application server.

General Email Configuration

The /web/projop/etc/config.tcl configuration file (Windows: C:\project-open\servers\projop\etc\config.tcl) contains a "mailhost" parameter which is by default set to localhost (, assuming that the server running ]po[ is also running a SMTP (mail) server:

­ns_section ns/parameters
ns_param   mailhost           localhost


By changing this parameter you can tell AOLserver to use an SMTP server running on a different server. However, this SMTP server needs to be configured to accept email coming from the ]po[ server, which is not the default. The default configuration of an SMTP server is to accept connections only from the local computer and not to allow "forwarding" of mails.

To diagnose issues with a locally installed SMTP server (installed and pre-configured in the ]po[ VMware installer for example) please perform as root "tail -f /var/log/maillog".

To diagnose issues with mail please perform "tail -f ~projop/log/error.log" and search for lines containing "sendmail" or "mail".

Postfix: Configure relay

See article on HowToForge

postconf -e 'relayhost = mail.example.com'
postconf -e 'smtp_sasl_auth_enable = yes'
postconf -e 'smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd'
postconf -e 'smtp_sasl_security_options ='

echo "smtp.example.com   user_name:password" > /etc/postfix/sasl_passwd 

chown root:root /etc/postfix/sasl_passwd
chmod 600 /etc/postfix/sasl_passwd

postmap /etc/postfix/sasl_passwd

/etc/init.d/postfix restart 

Specific Issues with Windows

Please see the SourceForge forum: http://sourceforge.net/projects/project-open/forums/forum/295937/topic/3533752 .

Specific Issues with Ubuntu

Please see:


Troubleshooting "email not delivered" based on information found in logfile

Errors 554 and 504 - Destination server rejects email due to missing/mal-formed information

  • 554: Sender address rejected: please provide address (in reply to RCPT TO command)
  • 504 : Sender address rejected: need fully-qualified address (in reply to RCPT TO command))

might be caused by a missing ]project-open[ parameter 'BounceDomain' in package 'acs-mail-lite'.


Further references:

See also "Troubleshooting email notifications"


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