Create a service that can recieve email, determine who it is from, check this against a db. If the email is from an allowed source then forward it on to the recipient.
If it is from an unknown source, repy to the sender, adding a message containing a graphical number sequence to the start of the email.
The sender needs to rply to this email quoting the number in the first line cause the original mail to be sent.
If the correct response is not recieved within a specified timeframe, then the email is deleted.
17 freelancers are bidding on average $1641 for this job
I should be able to do this well under 30 days but would like to see an expanded project brief from you.. I can think of a reasonably easy way to do this now but would need to know exactly what limitations you have..
This is an initial placeholder bid. Please do not select this bid until we have worked out the details. After it's been settled, I will modify my bid with the final price and timeline. Regards, Mark
Hello, We can do this project and we are doing a similar type of solution by using My SQL as database, but it is a webbased solution. If you are willing for more information, kindly contact us. Regards Guru
Hi, have extensive experience in writing and maintaining SMTP server code. Have Linux boxen here. Very interested in this project. Please see PMB for some queries I have. Look forward to hearing from you.