<https://forums.bidorbuy.co.za/topic/4991-tracking-number-emails/#comment-48472>
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"I send the tracking number via BoB's message system. I also scan, upload and send a USPS stamped copy of the receipt; my copy, via email to the Buyer with a note that they can verify my posting their parcel online at www.usps.com (track and confirm). And, would you believe, I still, once in a while, get an email asking for the tracking number! (shaking head) \n  \n\nRuthie \n"
<https://forums.bidorbuy.co.za/topic/4991-tracking-number-emails/>