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Support for Plus Addressing in Office 365

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Super Contributor

I am sure I came across the following in our message centre, but I can no longer find it for an update.  Just tested it and it is not available yet.  Does anyone have an update?

 

"Plus Addressing is a great way to quickly create custom (or disposable) email addresses based off your standard email address, by simply adding a "+" suffix string to an existing email address in Office 365. For example, a plus address for kimakers@contoso.com could be something like kimakers+northwind@contoso.com that she could use to sign up for the newsletter at the Northwind web site. Then when Northwind sends a newsletter to kimakers+northwind@contoso.com it will route directly to kimakers@contoso.com. Kim could create an Inbox rule that then moves messages sent to this + address into the "Northwind" folder. Plus addressing support in Office 365 is a great way to more easily manage your Inbox, and even track mail like marketing and sales campaigns."

7 Replies
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Best Response confirmed by Tanya Denton (Super Contributor)
Solution

@Tanya Denton ignore me it was on the roadmap and not until Q4 2020 :(

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 @Tanya Denton do you have any reference to the roadmap you're refering to?

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@nidde Hi  https://www.microsoft.com/en-us/microsoft-365/roadmap item 'Support for Plus Addressing in Office 365'

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@Tanya Denton  - Looks like it arrived early :)  This was just posted on UserVoice:

 

ADMIN Sean S (Admin, Microsoft Office 365) responded  ·  Sep 23, 2020

I’m pleased to announce that the plus addressing feature is now available for Exchange Admins to enable. This can be done through Powershell using the following command:
Set-OrganizationConfig -AllowPlusAddressInRecipients $true

For instructions on how to use Powershell, you can find out more here:
https://docs.microsoft.com/en-us/powershell/exchange/exchange-online-powershell-v2?view=exchange-ps

The setting may not instantly take effect so please expect a delay before you can start using plus addresses.

Regards,
The Exchange Transport team

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I have enable this for my org. I have a primary smtp of first.last@domain.com and an alias of username@domain.com.
If I send from personal gmail account to first.last+test@domain.com it fails. first.last+test not found at domain.com
If I send to username+test@domain.com it gets delivered to my mailbox.
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and now they both work
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@jasonsch69  Good to know. This may have been due to the delay that was mentioned by the Microsoft admin who published the information.