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Change the defaultBaseUrl property, which is used to generate create absolute links in emails or other external systems. To do this, you need to now access Magnolia at the new port 8090.

1. Log into the author instance at http://localhost:8090/magnoliaAuthor/.magnolia .
2. Go to Configuration.
3. Set the value of /server/defaultBaseUrl property to http://localhost:8090/magnolia/ .
4. Log into the public instance at http://localhost:8090/magnoliaPublic/.magnolia .
5. Go to Configuration.
6. Set the value of /server/defaultBaseUrl property to http://localhost:8090/magnolia/ .

Now the Welcome page at http://localhost:8090  has  has the correct URLs too.

The port also needs to be changed in publishing configuration, otherwise publishing (activating) changes from the author to public instance fails.

1. On the author instance, 
   1. If you are using the Publishing module, go to Configuration > modules > publishing-core > config > receivers .
   2. If you are using the Activation module, go to Configuration > modules > activation > subscribers .
2. Under the magnoliaPublic8080 receiver (subscriber), set the URL property to  http://localhost:8090/magnoliaPublic .
3. Rename the receiver (subscriber) to magnoliaPublic8090 .
4. Activate the modified receiver (subscriber) including its subnodes.

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