This article aims to provide a complete guide to implementing SPF, DKIM, and DMARC for your organization, and suggest the best practices for doing so. It is written in hopes that this will clear up confusion about what steps to take to achieve an effective DMARC deployment to secure business email a…
It's critically important for any company using Office 365 Exchange Server for email to implement DMARC, DKIM, and SPF to prevent or stop email spoofing and phishing as well as improve email deliverability.
Office 365 has become the de facto standard for productivity software…
Yes, you can set up DMARC without DKIM and have only DMARC and SPF in the equation. In this case, DKIM check always fails and DMARC authentication result is up to SPF check and SPF identifier alignment, which still somewhat works but is less than optimal…
When you first set up Amazon SES to send emails, you may find there is a "Via amazonses.com" warning for the email in the recipient's mailbox.
This warning means you haven't authorized Amazon SES to deliver emails for you, so the mailbox provider considers that sent from Amazon SES instead of your…
When you first set up Mailgun to send emails, you may find there is a "via mailgun.org", "via mailgun.us", or "via mailgun.info" warning for the email in the recipient's mailbox.
This warning means you haven't authorized Mailgun to deliver emails for you, so the mailbox provider considers that sen…
When you first set up Mandrillapp (AKA Mailchimp Transactional Email) to send transactional emails, you may find there is a "via mandrillapp.com" warning for the email in the recipient's mailbox.
This warning means you haven't authorized Mandrill to deliver emails for you, so the mailbox provider…
