[Users] Wrapping

[Andrew Savchenko]

On Sat, 8 Jun 2019 23:15:28 +0300
<mlist at riseup.net> wrote:

> I couldn't find any info on the topic, so I decided to ask here.

The topic is a bit opinionated and we might be asked to take this discussion elsewhere. That being said...

> Also: Is there any RFC that mandates a maximum line length of mail
> messages? IOW without wrapping: is there any danger that the receiver won't
> be able to read the message due to it being non-standard/invalid?

Check https://www.ietf.org/rfc/rfc2646.txt. Given the variety of screens and fonts, IMHO, letting receiver's MUA to perform formatting is best.