Question about line length limit in lmtp.

[Aki Tuomi]

> On 08/12/2022 11:39 EET Gedalya <gedalya at gedalya.net> wrote:
> 
>  
> On 12/8/22 17:29, Aki Tuomi wrote:
> > Dovecot LMTP and Submission enforce the RFC line length, which is 1000, including \r\n.
> 
> Can you elaborate on this?
> 
> I often get mail coming in from the wild with long lines and I find the most practical approach is to pass it on to dovecot LMTP as is, and it just works, and the message is stored with long lines, not folded.
> 
> I haven't tried dovecot's submission yet.
> 
> What exactly can you tell me about line length limits in LMTP and submission and can it be configured?

This is something that is usually handled automatically and does not affect the mails you see in your MUA. The folding is done within the protocol.

Aki