When using FogBugz or Kiln On Demand, all outbound emails (notifications and case email replies) are sent via FogBugz own SMTP server. Depending on your email provider (e.g., Google Apps, Microsoft Office365, your own email system, etc.), these emails may be marked as Junk, Spam, failed fraud detection, phishing, etc. This happens when mail is sent as email@example.com by fogbugz.com servers. Recipient services need to know that fogbugz.com servers are allowed to send mail on behalf of your domain.
To alleviate this issue, you essentially need to tell your email system that FogBugz is a safe sender to handle these emails. To do that, we recommend adding FogBugz’s domain SPF records to your own SPF records:
v=spf1 mx include:spf-basic.fogbugz.com -all
Depending on your mail provider, the SPF record may need to be entered as a TXT record. For more details on how to create the new SPF record, please consult your mail/web service provider’s documentation. Here is the SPF record in the default TXT format:
INT TXT "v=spf1 mx include:spf-basic.fogbugz.com -all"