Address Lists
Set up email addresses and domains lists to allow, block, apply or exclude from email routing settings.
When you configure this setting, you first select which emails you want to apply the setting to, based on:
Then, you select what to do with such emails. You have these options:
In the Admin console at https://admin.google.com, click the Apps icon.
Select Google Workspace.
Click Gmail. Make sure not to check the box to the left; just click the service.
Select Routing.
Under Organizational Units, select the OU with the users whose settings you want to update. The same updates will apply to all sub-OUs under the OU you choose.
By default, if you don’t select an OU, you will add your setting to the top OU, named after your domain. This way, you will apply changes to all users in your account.
You can search for an OU to find it faster if you have a large OU structure.
To the right of the Routing setting, click CONFIGURE.
If you already have existing Routing rules in place, click ADD ANOTHER RULE instead.
First, on top, enter a short description of what you’re setting up.
Next, under 1. Email messages to affect, you select which emails to apply your setting to:
You can check as many boxes as you want, but you must always check at least one.
To continue specifying under what conditions the setting will be applied, scroll to the bottom and click Show options.
A. Address lists: check the box to add a list of email addresses and domains. Then you can choose to Bypass this setting for anyone in the list or Only apply it to those in the list.
If you already have a list created for this purpose, click Use existing list. Otherwise, click Create or edit list, and follow the steps in this article. After you set it up, go back here to select it.
If you choose the Use existing list option, you’ll see a list of all your lists. Check the box for each one you want to add to your setting.
B. Account types to affect:
If one of these boxes is unchecked, its type of email address will not be affected by the setting.
For example, you may set up a routing rule that should apply to all users but not groups. In this case, keep the Groups box unchecked.
C. Envelope filter allows you to apply this rule only when specific email addresses are the senders or recipients.
For example, you only want to have the routing work when the sender is [email protected]. Then you should check the square ‘Only affect specific envelope senders’ and type the email address [email protected] under Single email address.
You can also set the envelope filter for a group in your domain or enter a regexp. Learn more about regexp (regular expressions) in Google’s Help Center.
Now that you’re done setting up the requirements for the routing rule to apply, it’s time to specify what it does.
You do this under 2. For the above types of messages, do the following – you can leave it on Modify and choose how to modify it by checking the boxes below or click Modify and select Reject or Send to spam quarantine.
Let’s cover the options under Modify first – they are the following:
Headers – lets you add custom headers to messages. For example, you can add a custom header matching the description you entered for the setting. This can help you analyze why a message was routed in a certain way or what triggered a filter.
Adding the X-Gm-Original-To header is useful when you reroute a copy of a message, and the new recipient wants to know the original recipient’s address. The latest recipient can see the original recipient by checking the X-Gm-Original-To header box in the message.
Add X-Gm-Spam and X-Gm-Phishy headers to indicate if the message is spam or phishing. For example, these headers will look like this:
X-Gm-Spam: 0 (means that the email is not spam)
X-Gm-Spam: 1 ((means that the email is spam)
Prepend custom subject allows you to add something to the beginning of messages’ subjects.
For example, you can set up the routing rule to look for confidential messages only and then have it automatically add [Confidential] to their subject.
Change route allows you to re-route messages to another mail server, already added to the Hosts setting as shown here.
Change envelope recipient allows you to change the email recipient to another email address, skipping delivery to the original recipient.
Bypass spam filter for this message approves messages for delivery automatically, regardless if Gmail’s built-in spam filter thinks they are spam.
Remove attachments from this message strips the email of all attachments.
Add more recipients adds extra recipients to the email. This acts similar to a BCC, so the sender and recipients of the message won’t know about the additional recipients you have added.
Click ADD to add an extra recipient.
Leave it on Basic, then type the email address and click SAVE. Repeat this step to add more recipients.
Encryption (onward delivery only) enforces a secure connection using TLS. Gmail uses TLS by default when both the sender and recipient support it. However, it will send messages over a non-secure connection if using TLS is not possible.
This option enforces TLS, and when it’s not supported, messages will bounce instead of being delivered, and the sender will receive an error message.
You can also set 2. For the above types of messages, do the following to Reject message. This option bounces emails caught by the routing rule. It sends a delivery error to the sender, which you can customize if you wish.
Another option for 2. For the above types of messages, do the following is Quarantine message.
Quarantining allows you to have emails caught by the routing rule go to a quarantine where they can be reviewed and approved or denied before reaching the intended mailbox. See how to add and manage quarantines here.
After configuring your routing rule as needed, click SAVE.
This is an example of what it looks like in the settings list.
Please note that it may take up to 24 hours to start working.
You can come back to this page at any time and click Edit to update the setting, Disable to turn it off temporarily, or Delete to remove it permanently.
Set up email addresses and domains lists to allow, block, apply or exclude from email routing settings.
Add one or more forwardings of all incoming mail from one email address to another.
Quickly set up email delivery rules that apply to incoming emails.
Set up email delivery rules that apply to incoming or outgoing emails.
Allow sending and receiving only from specific domains or email addresses.
Automatically reject emails from specific domains or email addresses.
Set up email delivery rules that apply to emails with specific content.
Set up email delivery rules that apply to emails containing attachments.
Set up email delivery rules that apply to emails containing specific words.
Set up an auto-BCC to a specific email address.
Forward a copy of all incoming or outgoing mail from one email address to another.
Receive emails sent to email addresses that you haven’t set up yet, or ones where the sender made a typo.
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