# 19-May-2026 — resolve relative image URLs in the preview iframe

## [build 650](https://github.com/nbarrett/ngx-ramblers/actions/runs/26094215098) — [commit 9f423e2](https://github.com/nbarrett/ngx-ramblers/commit/9f423e2aac12bafee9e7505934850db46c58d800)

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The email preview renders into an iframe via a blob URL, which has no
usable document base, so relative image URLs in the email HTML could not
resolve and showed as broken - even though the same images render in the
sent email.

EmailPreviewComponent now injects a `<base href>` pointing at the group
site into the previewed HTML before building the blob, so relative URLs
resolve against the live site. Preview only; the send path is unchanged.