Images does not show up in campaign send to Gmail

[codefl]

Version:

• listmonk: v3.0.0
• OS: Ubuntu 22.04

Description of the bug and steps to reproduce: Images does not show up in campaign send to Gmail.

Step to reproduce:

• Create a campaign
• Upload an image
• Send test email of that campaign to any Gmail account
• Observe:
  • The image does not show up in Gmail
  • The email original data shows image is embedded

Screenshots: Image does not show in gmail:

The email original data shows image is embedded:

Is it a bug or something I'm not doing right when embedding image in email?

Thanks, Frank