Topic: Email delivery slow

- iRedMail version .9
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version:  CentOS 7
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? No
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.

I have installed  iRedMail and so far I like it, but delivery is really slow. Right now I am not sure how to diagnose if the issue is Clam or the SPAMFilter. It currently can take up to 30 minutes to deliver an email. Any guidance would be helpful.


Re: Email delivery slow

30 minutes is unexpected.

- How much RAM does this server have? At least 2 GB is required for a low traffic mail server, and 4GB will make it more stable.
- Did you send a lot emails like newsletters or marketing emails in a short time?


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