2019/05/16 by Willem Stam.
Brand Indicators for Message Identification (BIMI) ready for take off?
BIMI is the new open standard for visualising your brand in the recipient’s mailbox with an image. Why BIMI? The new standard uses DMARC, leading some to call BIMI ‘DMARC 2.0’. While almost all previous authentication and identification methods work in the background, BIMI is the first to really try to visualise and strengthen your […]
Categories: Authentication, DMARC, General
2018/11/27 by Willem Stam.
Proper MIME prevents DKIM failures in Outlook
At Postmastery, we work for various ESPs and brands to optimise email delivery. Recently, one of our clients faced a mysterious DKIM failure when sending mail to Outlook.com domains. (A generic explanation of what DKIM is and how it works is available on dkim.org.) Analysing SMTP headers First thing we did was to analyse the client’s […]
Categories: Authentication, General
2018/07/11 by Willem Stam.
Postmastery supports SendGrid clients with multiple webhook endpoints
Postmastery provides delivery monitoring and optimisation services on top of various email delivery environments. Sometimes we offer this service on top of on-premises MTA (like PowerMTA or EmailSuccess) and sometimes on top of cloud-based ESP’s (like Mailchimp or Smartfocus). A prerequisite of delivery monitoring and optimization services, is to get the right data points like […]
Categories: Authentication, General, Sendgrid, Solutions