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Topic: Increase the speed of my mail server on received messages

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release):  1.6.8
- Deployed with iRedMail Easy or the downloadable installer?  Installer
- Linux/BSD distribution name and version:  Ubuntu 22.04.4
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):  MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? no - free version
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
I have Iredmail running on Ubuntu in hyper-v.  When I send out email, it´s fast.  But getting emails, is slow.  Is that just something I will have to settle with or..?

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Re: Increase the speed of my mail server on received messages

Maybe caused by greylisting service: https://docs.iredmail.org/manage.iredap … reylisting