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To improve deliverability with Mailgun, they advise having the from/sender/message-id be consistent. Unfortunately this isn't honored by default with MimeMessage and an override is required. When I set it using EmailBuilder#getHeaders() the value is discarded, so I think this override wasn't implemented yet.
The text was updated successfully, but these errors were encountered:
To clarify, the Message-ID should use the sender's domain to improve the chance of passing through spam filters. By default the domain part is the machine's ip. I'd like to change it to be <uuid>@<domain>.
To improve deliverability with Mailgun, they advise having the from/sender/message-id be consistent. Unfortunately this isn't honored by default with
MimeMessage
and an override is required. When I set it usingEmailBuilder#getHeaders()
the value is discarded, so I think this override wasn't implemented yet.The text was updated successfully, but these errors were encountered: