Re: Email Delivery Problems to Gmail accounts

rickyho282828 · 07-03-2023 03:16 AM

Hi, good morning / afternoon / evening.

I would like to seek your help to check and see how I should go about this scenario.

One of my clients based in Australia is currently using O365, and their domain is having problems in sending any email to gmail account or google workspace account.

The system engineer of this company has configured and make sure all the setup in probably comply with the SPF (Sender Policy Framework). They have tried different types of methods including adding a SPF value to "v=spf1 include:_spf.google.com ~all".

It still doesn't work up until now. Is there any way you can help ?

This is the error message.

Best Regards,

YK

KAM

@rickyho282828 SPF is a record for their domain. It would need to be for their M365 setup if I understand your email correctly, e.g. include:spf.protection.outlook.com. https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/email-authentication-sp... has more information. This doc might help as well: https://docs.google.com/document/d/1VD-6wBLHJOZDlsqxJDTAte-98xlrb94qx41rpVVD0O8/edit We wrote it to be sales, informational, and technical. -KAM

christiannewman

As @KAM said, your client must ensure that their SPF record includes Microsoft, not Google, as an approved sender of mail on behalf of their domain. If it’s set to Google, but they’re sending from Microsoft, it is very likely to be flagged as spam. Fix this, first.

Then:

1. Check the reputation or your client’s domain to ensure it hasn’t been blacklisted, and isn’t using a frequently-abused top-level domain (TLD).

2. Add your client’s domain to your approved senders list to help ensure successful delivery.

rickyho282828

Thank you for both of the replies. After configure and ensure the set up of SPF, DKIM, DMARC , all well set up.

However, the problems are still exist.