William Greenwood wrote:
What setting do I need to adjust?

EE wrote:
Have you examined Preferences > Mail & Newsgroups > Message Display? Is "Block images and other content from remote sources" checked?

Don Spam's Reckless Son wrote:
That's a deliberate policy in my case, but those few mails where I actually want to look at the pretty pictures normally come with a link: "Open in Browser" or "View this email in your browser".

That's dependent on the sender of the email including such a link, and hosting a copy of the email as a web page on their server. Even when they do include such a link, they may not host the copy indefinitely - so it might stop working some time in future.

I think the main issue with remote images in emails is that they can include unique image URLs in each email they send, even if the emails otherwise appear identical (e.g. advertising offers), so they know that you've opened the copy they sent to you. So it is a good idea to block them by default, so that you don't reveal anything just by opening the email (spammers can use the same trick to work out which addresses are actually being read and opened, to target with more spam). But the same applies to the link to open the email in the browser - it will probably include a unique ID, so they know it was opened from the email they sent to you, as opposed to anyone else. That's probably not an issue for companies you have dealings with anyway - but the point is that using the link to open the message in the browser is not really any better than allowing remotely hosted images to be shown in that specific email.

Don Spam's Reckless Son wrote:
Suppressing full html is a security option, some pretty nasty things can be spread via html (or MS Word) mails.  I must admit I thought you could have exceptions (such as permit full html for costco.com) but I can't see how to manipulate them so that could be wrong.

I also have "Block images and other content from remote sources" set. When an email contains embedded images from a remote server, SeaMonkey displays a green banner saying "To protect your privacy, SeaMonkey has blocked remote content in this message" with an "Options" button giving the option to show that content. That shows the content just for that email, without having to change the main preference.

That banner also includes options to always allow remote content based on the sender or the domain hosting the content. Those permissions can be modified via the "Permissions" settings in Tools > Data Manager ("Load Images" permissions under the "*" domain for specific senders, or the specific domain hosting content). That might be what you were thinking of for setting exceptions. There's also an option in address book entries for whether they prefer to receive messages as plain text or HTML - but that's for the format used for outgoing messages you send to that address, not how you view messages received from them.

If you don't get that banner, or if selecting the option to show remote content still doesn't show the images, there may be something else going on. e.g. the image URLs in the email may be wrong, or the sender may have stopped hosting them (I sometimes find that images are no longer available if I open an email a couple of months old - depends on the sender though).

--
Mark.

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