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Email delivery service for Aconex US1

As part of moving the US1 Aconex instance to new infrastructure, from April 19, 2020 Aconex US1 will use a new email delivery service.

The Oracle Dyn Email Delivery Service provides a trusted and encrypted route for the delivery of email to protect customers data in transit, and to provide assurance that an email from Aconex US1 is genuine.

As part of the validation process for incoming email, your email service may incorrectly identify emails coming from Aconex US1 as spam emails.  This is especially prevalent for customers who receive high volumes of email notifications from the Aconex US1 application.

What do you need to do?

Below are some simple steps that your email service provider or IT department can take to improve the receivability of emails from the Aconex US1 platform.

1. Whitelist and / or bypass filtering for emails received from @aconex.com

All emails sent by Aconex US1 will be sent FROM an email address ending with @aconex.com.  All emails will also have a valid DKIM record and SPF record attached to them.

Please ask your email service provider to whitelist or bypass filtering for any email that matches the following criteria:

  1. Email has been sent FROM an email address ending with @aconex.com
  1. The email has a valid DKIM key
  1. The email has a valid SPF record

Further information about DKIM records can be found at:  https://help.dyn.com/articles/dkim/

Further information about SPF records can be found at:  https://help.dyn.com/articles/spf/

2. Disable throttling for emails received from @aconex.com

Your email server may temporarily block or delay incoming emails from Aconex US1 if there are a large number of emails arriving at the same time. This is called throttling.

In this case, please ask your email service provider or IT department to disable throttling for emails received from an email address ending with @aconex.com.

3. Whitelist IP addresses if required

In some circumstances, receiving email servers will only allow you to disable throttling based on the network address of the sending email server.

We are not able to guarantee which network addresses Aconex US1 will be sent from as these network addresses can change at any time.  Your email service provider or IT department will always be able to get the latest list of our email server network addresses by checking the SPF record, which is spf.dynect.net.

As of the time of publishing (April 19, 2020), the possible network addresses for our US1 email servers are:

ip4:208.76.56.0/21
ip4:216.146.32.0/20
ip4:80.231.25.0/24
ip4:80.231.219.0/24
ip4:103.11.200.0/22
ip4:199.19.0.0/21
ip4:204.13.248.0/22​​​​​​​
ip4:208.78.68.0/22​​​​​​​
ip4:162.88.36.0/23​​​​​​​
ip4:162.88.4.0/23​​​​​​​
ip4:162.88.24.0/24​​​​​​​
​​​​​​​ip4:162.88.28.0/24