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Greg,

I am the Administrator for our?groups.io?site and have noticed that sometimes (but not every time) when a sender includes a photo in a message, that same photo also appears in the footer section of our email deliveries.

Greg -- There are at least four different ways to attach/embed an image in an html email. See??for an overview.?I believe what you are referencing can occur when a photo is embedded as a CID image. In such cases, some mail clients may encounter the image data in a separate MIME part further down the message and render it a second time.?

What you're seeing is what Bruce mentioned above, it does depend on the way the image was inserted/embedded into the message body, for example in Thunderbird it has this option (auto-defaulted to checked) when one wants to insert/embed an image inline:



It also depends on the individual email client being used to (either send or) view the message, not all of them work 100% "correctly" regarding message formatting/displaying. I've also noticed it infrequently and it seems (in my experience) it's more prevalent in replies to messages which had inline embedded images referenced in separate mime parts. The good thing is that the image is not physically duplicated, at least the times I happened to check it through View Source.

Also, just to make sure, the "attached" copies of the image are not included in the footer, they are just displayed at the end of the message body text so they appear to be part of the footer.

Cheers,
Christos