What is the Gmail Sender Contact Form?

What it is:

• Official support channel for bulk senders
• Way to report delivery issues to Gmail
• Request investigation of filtering problems

Access:

• Available through Google Postmaster Tools
• Requires verified domain

What to include:

• Sending domain and IPs
• Description of the issue
• Evidence of good practices
• Authentication status
• Volume and engagement data

Expectations:

• Not guaranteed response
• Investigation takes time
• May not result in changes
• Used when legitimate issues need escalation
• Formal appeal to port authority with supporting documentation.