avoid gmail block my mails for sending invoices

This project received 6 bids from talented freelancers with an average bid price of $45 USD.

Get free quotes for a project like this
Employer working
Project Budget
Total Bids
Project Description

i need a way that gmail does not block my mails which are sent automatically ( about 30 invoices to customers only)

i got some information about identification and authorization. but i have no idea what to do!

Looking to make some money?

  • Set your budget and the timeframe
  • Outline your proposal
  • Get paid for your work

Hire Freelancers who also bid on this project

    • Forbes
    • The New York Times
    • Time
    • Wall Street Journal
    • Times Online