DMARC (Domain-based Message Authentication, Reporting and Conformance) is a protocol that is designed to give email domain owners the ability to protect their domain from
Important: make sure to have correct MX, A and PTR records. To check all record are correct use tools like : mxtoolbox.com SPF and DKIM
To delete emails in Junk folder for all users, you can run sudo doveadm expunge -A mailbox Junk all To delete emails in Trash folder,
Open Ports in Firewall (if you have enabled UFW) sudo ufw allow 80,443,587,465,143,993/tcp If you use POP3 to fetch emails, then also open port 110
Installation and configuration of postfix on the ubuntu server.
Alfaintelli is an end to end technology solutions provider, a IT company that combines expertise, creativity and versatility for your success. Our solutions help businesses migrate to the cloud, improve operations on-premise through managed IT services and Remote or onsite IT support.
Here is what you should expect:
As your IT partner, we help you assess your technology and determine whether there is a way for your business to capitalize on IT opportunities while reducing the risk of cyberattacks, data loss, and possible disruption, by taking advantage of modern technology. Our approach is not only more secure but more cost-effective than traditional in-house IT support for small businesses.
Let us handle strategic IT services for your business.