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Implementing SPF records when using our SMTP server

Due to the amount of technical tickets that were created for SDSL in relation to email issues, most of which was out of our control, we now send all emails from our new panel via Symantec Message Labs.  This may have the knock on effect of mail spoofing issues. If you are having these issues, then you will need to add or edit the SPF record for your domain to stop emails from looking as if they are spoofed.

To correct this, you will need to create/adjust the SPF record for your domain. Below is a short guide on how to do this.

1. Log in to your domain host account. If you are unsure on this, you can perform a whois lookup on your domain and find the information required.

2. Navigate to the DNS management page on your domain hosts control panel.

3. Next you need to create the SPF record. The next steps will differ depending on whether you are creating a new SPF record or editing an existing one containing other authorised servers.

4. If you haven't previously created an SPF, add a TXT record and add the following content:

       v=spf1 include:spf.messagelabs.com ~all

This will publish the record in soft mode. This will allow you to test that everything works as it should and that you are happy to add the record. Please note: soft mode should only ever be used for testing purposes. If that is the    case, you will then need to edit the record to match the below:

       v=spf1 include:spf.messagelabs.com -all

By changing the '~' to a '-', you are publishing the record in hard mode. This means any server that is not authorised in this SPF will be discarded.

5. If you have previously created an SPF record, then you will need to add our SMTP server as an additional authorised server. Products that send via SMTP will require adding to the SPF. For example, you may already have Microsoft Office 365 as an authorised server. If that is the case, then your record would look like the below:

       v=spf1 include:spf.protection.outlook.com -all

Rather than creating a brand new SPF for each server, you would adjust it to look like the following:

       v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com -all

This will then allow both the above servers to send on your behalf. Different products will have different SPF records required, so check their website or contact them to find out exactly what they would need adding.

6. Once this has been done and the DNS changes are recognised across the web, then you should no longer have any issues sending backup reports from our panel.

If you have any further issues, then please do not hesitate to give us a call on 01689 661030 or email us at support@safedatastorage.co.uk.