Updating SPF Records for 'Bounced' or Undelivered Guest Emails
Posted by Jeff Tweddale on 01 Sep 2015 10:42 AM
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A sample SPF record if you didn't already have one defined could look like this v=spf1 mx a ip4:209.237.231.0/25 -all Breaking this down, this defines allowed senders as any of the MX records (inbound mail servers) for your domain, as well as the IP address of the root A record of your domain, and any server in our 209.237.231.0 netblock. If you aren't familiar with SPF, we recommend you use a generator tool like https://www.spf-record.com/generator that can pull your existing SPF record and allow you to make modifications. If you have an existing SPF record and aren't sure of what to change, you can open a support ticket providing the domain in question and our support team can assist you in determining what to add to the record. Please be aware BookingCenter doesn't control the DNS for your domain, and cannot make those changes for you. For SPF authentication to pass, all these conditions must be met:
Please look in your DNS entry to make sure there is only 1 TXT record, it is important that you don't have 2 SPF records.
You may have a situation where you are SPF approving another service to send emails from your domain, such as 'outlook.com' in which case the 1 TXT file on your DNS will have TWO SPF records:
In such as case, the SPF record might look like this : v=spf1 include:spf.protection.outlook.com ip4:209.237.231.0/25 -all which will allow BOTH Outlook and BookingCenter to be supported via the SPF record.
MyPMS currently does not support DKIM signing of emails.
Updating your SPF records involve changing your DNS settings. Depending on the company that hosts, or is the registrar for your website (i.e. GoDaddy, 1&1, etc), the steps below may differ somewhat, but are consistent (note there are screen shot attached for each step that may assist with the process).
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