Soulja Boy emailed his baby mama's lawyer and told him "f*** you" ... at least according to new court documentss. The docs, obtained by TMZ, include an alleged email Soulja sent to Jackilyn Martinez 's legal team ... and it's laced with profanity. Per the alleged email thread, Jackilyn's team contacted Soulja after he called her to discuss the paternity suit she filed against him. Her lawyer wrote Soulja, "Based on your conversation with Jackilyn, it sounds like you both want to resolve the [