EXPERT Cold Email Deliverability Expert Needed - Emails Going to Spam

Hi! I have 7+ years of cold-email experience, but I haven’t been able to fix this deliverability issue. We're using instantly. Current setup: * Three email inboxes connected to Instantly * Inboxes warmed up for 90+ days * DKIM, SPF, DMARC, and all other technical settings are correctly configured * Clean and verified email lists * Conservative sending volume (5 emails a day) * Emails still frequently land in spam instead of the primary inbox I need an experienced cold-email deliverability specialist to audit the entire setup, identify the exact cause, implement the necessary fixes, and test whether inbox placement improves. When applying, please include: * Your proposed price and estimated hours * Your methodology for auditing and fixing the issue * Exactly what you would need from me Please start your application with the letter *X* so I know you read the full post.