If you find that you often need to manually block whole domains, there’s probably something that’s not set up or working properly, so please contact technical support. Spamsieve has actually improveddrastically the past few days and it seems it learns well enough. When trial expires, I will go for full version. SPAMSIEVE SEND ALL MESSAGES FROM A DOMAIN TO TRASH FULL However, I have noticed that with intervals the same spammers create dozens of new domains and send to all my email addresses and when this happens, I now hope Spamsieve will have learnt by then and need not to re-learn because spam comes from new domains. As you understand, i haven’t studied the script or how Spamsieve works. I hope domain-blocking won’t be necessary and I remain happy.Ī bit off topic: How do I get rid of the pop-ups (notifications) when spamsieve finds a suspected spam? It tends to be hassle to close those notifications windows.Configuring Postfix, Mailgun, & DNS Records.Managing Virtual Mailboxes with MariaDB & Postfixadmin.If you have not read the previous articles in this series, please follow the links above to catch up. We now have our server running on GCP configured to send and receive email via the SMTP protocol and allow IMAP connections, while encrypting traffic with TLS. Our DNS records are configured properly to ensure email is delivered to & from us, and we are using virtual mailboxes so that there is no need for a local unix user for each mailbox. These are stored in a MariaDB database and managed using Postfixadmin via a web browser. We can access our mailbox from email clients or in the browser via Roundcube webmail. The only step left is to handle spam mail. Rspamd scans messages for patterns to determine a spam score. The higher the score, the more likely it is to be spam. Mail with a high spam score will be outright rejected, but messages with a moderate spam score will still be delivered because we want to be sure we’re not rejecting legitimate mail due to false positives. In these cases, an X-Spam header will be added to the message. Awesome, right? Let’s do it! Installing Rspamd Therefore, we can use Dovecot’s Sieve plugin to filter messages with this header into the Junk folder. Rspamd uses Redis to store data, so we have to install both. Sudo apt install rspamd redis-server -y Configuring RedisĪs we are on a tight RAM budget, let’s limit the memory that Redis can use. SPAMSIEVE SEND ALL MESSAGES FROM A DOMAIN TO TRASH INSTALL sudo service redis restart Configuring Rspamd maxmemory 256mb maxmemory-policy volatile-ttl We will also tell Redis to remove the key closest to expiration when memory needs to be freed. Postfix communicates with Rspamd over the milter ( mail f ilter) protocol.
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