Development of software that can deliver step mail, simultaneous mail (e-mail magazine)

Step by step email (Magazine) Often, you pay a delivery fee to the vendor as a monthly salary. Therefore, I think that many beginners have a high threshold and feel. So you sell the software you created. I would like to write a letter to the letter of the step by step widely. I am thinking. The specifications are as follows. Software that runs on a rental server - Unlimited address (up to disk capacity) - Number of deliverables Server tolerance (unlimited in software) Set up sending and receiving of e-mail addresses - Transfer function (reservation transfer) - Receive function (registration - release) Error Resend Email Settings Disable error mail auto-forwarding (next) - Automatic reception setting before transmission - Registration form creation function - Inbox in the registration form (Registered mail magazine name, email address, Name, and so on) - Inbox form letter received (Not automatically sent to specific keywords) - Number of division transmission setting (30 events are set to be transmitted every minute, etc. Reduce the burden on the server) - Prevent duplicate addresses in the same magazine-level letter - Simultaneous registration of other magazine steps mail - Characteristics Mail address, last name, first name, company name, Whether or not mail is sent, the date of registration, Step Mail Name(E-mail magazine name) Step Mail Count, Prefecture, prefecture, flag - Ability to insert your personal information into e-mail (Such as last name, first name, company name, etc. Insert in reader tag) - Ability to delete and edit reader data - Importing and exporting CSV data - Grouping the characteristics according to extraction conditions (Only Japanese mail can be used) Compose Mail Editor - Confirmation of transmission history contents Help button (Q & A is on the homepage here I will create, thank you for the link) - Password entry regulation (If you forget your password, Registered mail password automatically issued) Step letter content Excuse me, [login to view URL] Sign up for free at abandoned letters, etc. I want to check the behavior. I want to have equivalent functionality. (I have a cell phone because it is old When reading smartphone normally I think it treats it equally with PC) Scenario Unlimited (up to disk capacity) Unlimited letters (up to disk capacity) - HTML mail function - Signature function - Click Rate Measurement Copy prevention measures - Preparation of the manual (The official one is going to be made here. I will be alive if I can make it politely) - Making α plate, β plate - Submit tracking table Software and source code submission - The warranty period is 6 months from delivery If you can learn all the features, I am glad, but in the extreme case If you have a separate budget, I don't care. I wait for application of all of you! Referense