mailgun message headers


Mailgun can't prevent an email client from displaying the "On Behalf Of" notation when the domains in the Sender and From fields don't match. To eliminate this notation, the same domain should be used in both fields. 1 Additionally, message headers can be used to provide more information about the sender and the message. This information can be used to verify the authenticity of the message and the sender.

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Summary It is important to understand that there is no way for Mailgun to prevent an email client from displaying the "On Behalf Of" notation as long as the domains contained in the Sender and From fields don't match. However, ensuring the exact same domain is used in both fields will eliminate the "On Behalf Of" notation.
Why Do I See "On Behalf Of" in My Email? – Mailgun Help Center

Headers Prove You And Your Email Are Legitimate Mailgun gives you the details you need to ... of code inserted at the very beginning of an email message. Your ...
Email Header Analyzer | Email Testing Tool | Mailgun

I'm using the mailgun-ruby gem to send messages through ActionMailer. I'm trying to attach custom headers so I can identify these messages in my web hooks, but ...
Custom headers · Issue #117 · mailgun/mailgun-ruby · GitHub

X-Mailgun-Incoming: Yes X-Originating-Ip: [2001:xxx:xxxx:xxx::beef:93] body-html: <div dir="ltr">Testing Mailgun&#39;s forwarded and stored message routes ...
Routes — Mailgun API documentation

Authentication to the Mailgun API is done by providing an Authorization header using HTTP Basic Auth ; use api as the username and your API key as the ...
Introduction — Mailgun API documentation

However, there are some good clues. Mailgun provides DKIM and SPF verification for incoming mail, which is shown in the MIME headers once spam filtering is ...
FAQ — Mailgun API documentation

closed.] Hello, I use WPForms together with WP Mail SMTP and I am connected to my Mailgun ... value allows to append a custom MIME header to the message ...
Mailgun Api – Reply-to not set? |

Quick Overview Mailgun supports using a... Mailgun supports using a Reply-To address through the h:Reply-To parameter (API) and Reply-To: header (SMTP).
Adding A Reply-To Address – Mailgun Help Center

I'm using mailgun to send lead form results to our office manager and I want them to be ... request in postman, and I've tried putting Reply-To as a header ...
How to set Reply To address? · Issue #355 · mailgun/mailgun-php · GitHub