follow up to my mail issues I posted about

[Aki Tuomi]

<snip/>

> "Your DH parameters are too weak. You should generate at least 2048 byte 
> parameters."
> 
> To be honest, I don't even recall setting up DH parameters. I would 
> guess that probably happened when I was setting up ssl?
> 

openssl gendh 4096 > /path/to/dh.pem

Alternatively, update to latest dovecot from https://repo.dovecot.org and disable DH support completely. See https://doc.dovecot.org/installation_guide/upgrading/from-2.2-to-2.3/#diffie-hellman-parameters-for-ssl

> Again, thank you to each of you for helping with this. I really try not 
> to send stuff like this to mailing lists that are technical in nature, 
> but this is important business mail he's potentially missing and I'm a 
> bit out of my league. First project once this gets fixed will be 
> learning how to back up the server.
> 
> 
> Christy

Aki