
What tags are not allowed in email?
You cannot include the following tags in an app email.
- HTML tags: body, base, iframe, applet, bgsound, blink, char, colgroup, comment, dir, embed, frame, frameset, head, html, hx, ilayer, inlineinput, isindex, keygen, layer, listing, marquee, menu, multicol, nextid, nobr, noembed, noframes, nolayer, noscript, object, plaintext, param, rt, ruby, samp, sound, spacer, spell, wbr, xml, xmp
- Script elements and attributes: script, script_onload, _clicktohide, _clicktoshow
- Mock AJAX elements and attributes: _clickrewriteurl, _clickrewriteid, _clickrewriteform, flash_autoplay, fb:swf, fb:mp3, fb:flv
- Other FBML: fb:iframe, fb:header, fb:dashboard, fb:mediaheader, fb:friend-selector, fb:multi-friend-input, fb:request-form, fb:if-multiple-actors, fb:redirect, fb:tabs, fb:error, fb:success, fb:explanation, fb:editor, fb:share-button, fb:wallpost, fb:message-preview, fb:attachment-preview, fb:comments, fb:google-analytics, fb:random, fb:dialog