avoid gmail block my mails for sending invoices

CLOSED
Bids
6
Avg Bid (USD)
$45
Project Budget (USD)
$30 - $40

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!

Skills required:
Email Marketing, Google App Engine, Google Go
Hire veroca01
Project posted by:
veroca01 Austria
Verified
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.


$ 69
in 2 days
$ 66
in 0 days
$ 30
in 2 days
Hire mrt2410
$ 35
in 1 days
$ 35
in 1 days
Hire icq
$ 35
in 1 days