OO 9.4.4 mail sending issue

[seba...@gmail.com]

Hello,

I have problem with authentication during sending emails to users.
I would like to send it as a system user (fromname or adminemail in local.properties - the same values), but it sends as a different user and I dont have rights to use it.

Best regards,
Sebastian

[Florian Gnägi]

Hi Sebastian

Mails are always send by the user configured in the property fromemail. This is technically mandatory because your mailserver will not be allowed to send emails for other domains than your own. E.g. your smtp can not send a mail with a google from address. This will be dropped as spam because the reverse DNS lookup will not resolve to a google server. 

The solution is to use a form address from the domain of your smtp server. The real sender address is then used in the reply-to field. When a recipient replies to this mail, it uses the real senders email instead of the technical from address. 

Here are the settings you can modify in your olat.local.properties: 

########################################################################

# SMTP (mail) settings

########################################################################

# mail support can be disabled by leaving the following entry blank or

# setting it to the keyword 'disabled' (without quotes!)

smtp.host=localhost

# if required by your local SMTP you may need to provide credentials

smtp.user=

smtp.pwd=

# enable SSL if your smtp server supports it

smtp.sslEnabled=false

smtp.sslCheckCertificate=false

# system mails will be sent from this address (from local domain with valid reverse dns):

fromemail=no-reply@your.domain

# the plain text name of the from mail address usually displayed by the email client

fromname=OpenOLAT eLearning Server (${server.domainname})

# set this email to a mail address in your domain (used as reply-to address)

adminemail=webm...@your.domain

# set this email to a mail address in your domain (used for 'ask for help here' type of messages that do not have special address)

supportemail=${adminemail}

# set this email to a mail address in your domain (used to tell users how to apply for more quote disk space)

quotaemail=${supportemail}

# set this email to a mail address in your domain (used to notify when users are deleted from the system)

deleteuseremail=${supportemail}

# set this email to a mail address in your domain (used for red-screen error reports)

erroremail=${adminemail}

# maximum size for email attachments (in MB)

mail.attachment.maxsize=5

# if mail intern is enabled you must make sure, that your mysql-db accepts large packets to also save the attachments:

# set "max_allowed_packet = 134217728" in my.cnf/my.ini see FXOLAT-154

mail.intern=false

mail.receiveRealMailUserDefaultSetting=true

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[seba...@gmail.com]

Hi Florian,

Unfortunately, after changing settings, there is still the same error.

This is warn stack:

Could not send mail ^%^ >>>stack of 1.cause::javax.mail.SendFailedException: Invalid Addresses ->  at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1607) at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:887) at javax.mail.Transport.send0(Transport.java:191) at javax.mail.Transport.send(Transport.java:120) at org.olat.core.util.mail.manager.MailManagerImpl.sendMessage(MailManagerImpl.java:1623) at org.olat.core.util.mail.manager.MailManagerImpl.sendRealMessage(MailManagerImpl.java:1390) at org.olat.core.util.mail.manager.MailManagerImpl.saveDBMessage(MailManagerImpl.java:1070) at org.olat.core.util.mail.manager.MailManagerImpl.sendMessage(MailManagerImpl.java:687) at org.olat.modules.co.ContactFormController.event(ContactFormController.java:237) at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:239) at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)>>>stack of 2.cause::com.sun.mail.smtp.SMTPAddressFailedException: 553 5.7.1 <{some random user email}>: Sender address rejected: not owned by user {adminemail}

 ->  at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1458) at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:887) at javax.mail.Transport.send0(Transport.java:191) at javax.mail.Transport.send(Transport.java:120) at org.olat.core.util.mail.manager.MailManagerImpl.sendMessage(MailManagerImpl.java:1623) at org.olat.core.util.mail.manager.MailManagerImpl.sendRealMessage(MailManagerImpl.java:1390) at org.olat.core.util.mail.manager.MailManagerImpl.saveDBMessage(MailManagerImpl.java:1070) at org.olat.core.util.mail.manager.MailManagerImpl.sendMessage(MailManagerImpl.java:687) at org.olat.modules.co.ContactFormController.event(ContactFormController.java:237) at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:239) at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)

Best regards,

Sebastian

[Florian Gnägi]

Hi Sebastian

It seems your SMTP does not allow sending mails for other than the user you configured in the SMTP configuration. Make sure you use an SMTP which does not restrict you sending for only your own account. Looks like you use an SMTP of your internet provider. For operating a server system which sends email it is best to use a local SMTP server which then routs the mail to a relay SMTP server which sends the mail to the recipient. Make also sure that your DNS is configured properly to allow the relay SMTP to used as sender, this is normally done with a SPF record. 

Cheers

Florian