i know how to send bulk mail. (ACP -> System -> Mass e-mail)
and how to edit email template by editting file /language/en/email/admin_send_email.txt
i also know i need to make sure hosting hourly mail limit is not exceeded. I can tweak my hosting.
ACP -> General -> E-mail settings, E-mail package size: 100
but as i would be sending more than 5000 emails im afraid them not to be treated as SPAM by incoming mailservers or any other issues.
I have DKIM and SPF enabled on that hosting account.
What would be proper way to send out bulk mail from within phpbb? Note i do not have SMTP
Also would be interested what is the best and simplest way i can send out mail to more people than what im allowed by my server hourly mailing limit (without raising it).