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Improve domain name and network settings to get better delivery from localhost

1. Set up SPF record for your domain name:
   TXT "v=spf1 include:yourdomain.com ~all"
   (replace yourdomain.com with your real domain name)
2. Setup Reverse DNS

A service to validate the SPF record for a domain name: https://mxtoolbox.com/spf.aspx

The advantage of this method is that emails can be sent without any restrictions on the number of emails. Since you manage your mailings yourself, you will not need to use third-party services, and therefore pay for them. However, this method implies a constant adjustment of settings, since mail services regularly change the rules for sending emails. Also, this method does not exclude the possibility of emails getting into spam.

RECOMMENDED

1. Use 3rd party mail delivery service, for example Mailgun.
   1. Setup account with Mailgun service
   2. Use FTP access to open file httpdocs/WEB-INF/conf/webvideo-base.conf
   3. Search for smtp keyword to find lines for SMTP settings
   4. Update value for smtp settings to use mailgun or any other mail service
   5. Re-login as admin to apply changes.

Third-party services organize more reliable delivery of emails, as they regularly monitor changes in the rules for delivering bulk messages. The use of these services is more convenient, as they provide an interface to simplify setup. Among the existing services, you can find one that will meet the needs and capabilities.