To avoid any delivery problems with mailings to your subscribers on the Mail.ru server, please, send only relevant and necessary letters to real people who are interested in them.
Make sure that your emails and sending servers are in line with the commonly accepted technical standarts.
Learn more about sending mailings on Mail.ru:
Complying with these recommendations decreases user complaints and increases your reputation, however this does not substitute spam filters.
In case of blocking while using specialized mailing services please first ask the support team of your service for a sending message log and then forward this log to us.
Register your domain with Postmaster Mail.ru, our special service, to monitor and improve not only deliverability but quality of your mailings as well.