Preventing Outpost email from being flagged as spam with an SPF record Follow

Outpost sends mail on behalf of your domain. There are cases where some servers will consider this behavior suspicious.

If you're finding that your emails sent from Outpost are being flagged as spam by your recipients' email accounts, we recommend setting up a Sender Policy Framework (SPF) record. The SPF record tells your domain that your Outpost account is an "authorized sender" (not spam).

 

Not sure if you have an SPF Record?

If you're not sure whether you already have an SPF record, here's a tool you can use to check:

  1. Click the following link to open the tool:http://www.mxtoolbox.com/spf.aspx
  2. Enter your domain name into the first box (yourcompany.com)
  3. Click the "SPF Record Lookup" button
  4. If your domain has an SPF record already, its current configuration will be displayed

 

Setting up an SPF Record

Below is a link to an SPF Setup wizard. You can use this to set up your SPF record. You will need to know your domain name and the subdomain for your Outpost account (mycompany.teamoutpost.com).

 

Addding Outpost as an authorized sender

To validate Outpost as a sender, add the following to your SPF record:

include:teamoutpost.com

The resulting string should look similar to this:

v=spf1 a mx include:teamoutpost.com -all

The instructions may sound complicated, but if you have access to a domain control panel, this should be fairly straightforward to set up. If you have an SPF record set up already, you will need to make sure to run through the wizard instead of just copying the record provided above.

If you have an SPF Record, and you don't add Outpost as an authorized sender, your outgoing mail may be flagged as spam.

 

More information

Many mail servers use the Sender Policy Framework (SPF) to determine which mail servers are to be considered "authorized" senders for that domain. The way this is implemented is using DNS records, similar to the type that tell Web browsers where to go when a user types in www.yourdomain.com.

FAQ page: http://www.openspf.org/FAQ 

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