Muhammad Asadullah S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Email Deliverability Expert | Inbox Placement | SPF, DKIM & DMARC Are your emails landing in spam instead of the inbox? Are Gmail or Outlook rejecting your messages, or are your cold email campaigns struggling with poor inbox placement? I help businesses diagnose and fix email deliverability problems, correct email authentication issues, improve inbox placement, and build reliable email infrastructure. I'm a Top Rated Plus freelancer on Upwork with 5+ years of experience, $60K+ earned, 100% Job Success, and 100+ jobs completed. I've helped businesses troubleshoot delivery failures, repair DNS configurations, and improve inbox placement across multiple domains and email platforms. EMAIL DELIVERABILITY & SPAM TROUBLESHOOTING - Diagnose emails landing in spam or junk - Troubleshoot Gmail and Microsoft Outlook delivery issues - Investigate email bounces, rejections, and authentication failures - Analyze sender reputation and domain health - Identify blacklist listings and filtering issues - Recommend evidence-based fixes to improve inbox placement DNS & EMAIL AUTHENTICATION - SPF, DKIM, DMARC, MX, TXT, and CNAME records - SPF alignment and duplicate SPF record correction - DKIM signing and selector troubleshooting - DMARC policy configuration and reporting - DNS audits and email authentication alignment - Google Workspace, Microsoft 365, and Zoho Mail - Cloudflare, GoDaddy, Namecheap, and Hostinger DNS COLD EMAIL INFRASTRUCTURE & WARMUP - Sending domain and mailbox setup - Google Workspace and Microsoft 365 configuration - Instantly, Smartlead, Apollo, ReachInbox, and Lemlist - SPF, DKIM, and DMARC validation before sending - Manual and tool-assisted email warmup - Sender reputation monitoring and recovery - Sending volume and campaign readiness reviews EMAIL CAMPAIGN SETUP & DELIVERABILITY - Cold email campaign configuration - Email marketing infrastructure setup - Campaign delivery monitoring and troubleshooting - Bounce analysis and email list quality checks - A/B testing and performance analysis - Mailchimp, Brevo, MailerLite, ActiveCampaign, and Postmark integrations RECENT PROJECT RESULTS - Improved measured inbox placement from below 55% to above 92% across multiple campaigns. - Fixed SPF, DKIM, DMARC, MX, and DNS issues across 30+ business domains. - Built cold email infrastructure using Google Workspace, Microsoft 365, Instantly, and Smartlead. - Resolved email authentication and delivery problems affecting business email. - Completed Microsoft 365 to Google Workspace migrations with minimal downtime. Actual results depend on domain reputation, authentication, recipient engagement, sending practices, and mailbox provider filtering. WHY CLIENTS HIRE ME - Top Rated Plus freelancer on Upwork - 100% Job Success - $60K+ earned on Upwork - 100+ jobs completed - Thorough technical troubleshooting before making changes - Clear communication and practical recommendations - Ongoing support when needed I don't rely on generic checklists or change DNS records without understanding the problem. I investigate the available evidence, identify the likely cause, and implement the appropriate solution while protecting your domain and sender reputation. If your emails are landing in spam, Gmail or Outlook is rejecting your messages, or you need properly configured email infrastructure for cold outreach, send me a message. I'll help you identify the problem and determine the right next steps.