Posted on: 8/20/2014 2:36:58 PM | Views : 483

We have to create a Mailer Module to send Bulk email to registered users. May be 2000 Users  at a time can grow eventually.
Our hardware specs are any standard shared hosting environment. We can buy a dedicated ip if required. We don't want to use any third party mailing service like mailchimp
T
he questions are

1. What is the maximum number of email address that can be added to To field.
2. What is the maximum number of email address that can be added to To field without increasing the mail size.
3. Is it good to send email to all the address at one shot without getting ip black listed. (even if it is dedicated static ip)
4. Most of the emails will be going to gmail and yahoo mail as registerd users use those emails.
Currently, our plan is to (because of shared hosting) grab all the emails in an array and iterate to send emails one by one. Don't want to add emails in a table que and do a cron job t ...

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