Hi Christo,
If it's not labeling or flagging spam for your add-on domain(s) then you should contact LP support. Usually looking at the raw source of the Email will show headers like this:
X-Spam-Status: Yes, score=14.9
X-Spam-Score: 149
X-Spam-Bar: ++++++++++++++
X-Spam-Report: Spam detection software, running on the system "janus.lunarpages.com", has
identified this incoming email as possible spam. The original message
has been attached to this so you can view it (if it isn't spam) or label
similar future email. If you have any questions, see
the administrator of that system for details.
Content preview: No text version was provided Email template Click here to
get enrolled for your Medical Billing Degree! We hope you enjoyed receiving
this email, but if you no longer wish to receive our emails please press
here. or please write to us at: 770 E Main Street #259 Lehi, UT 84043 [...]
Content analysis details: (14.9 points, 3.5 required)
pts rule name description
---- ---------------------- --------------------------------------------------
3.5 BAYES_99 BODY: Bayesian spam probability is 99 to 100%
[score: 1.0000]
1.0 FH_XMAIL_RND_833 Special X-Mailer Version
-0.0 SPF_PASS SPF: sender matches SPF record
2.7 URI_UNSUBSCRIBE URI: URI contains suspicious unsubscribe link
2.9 URI_L_PHP URI: URI_L_PHP
1.5 HTML_IMAGE_ONLY_20 BODY: HTML: images with 1600-2000 bytes of words
0.1 HTML_COMMENT_SAVED_URL BODY: HTML message is a saved web page
0.4 HTML_IMAGE_RATIO_02 BODY: HTML has a low ratio of text to image area
0.0 HTML_MESSAGE BODY: HTML included in message
0.7 MPART_ALT_DIFF BODY: HTML and text parts are different
1.4 MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars
1.5 URIBL_OB_SURBL Contains an URL listed in the OB SURBL blocklist
[URIs: wetherwarnings.com]
-0.9 AWL AWL: From: address is in the auto white-list
X-Spam-Flag: YES
Ian