[Mutt] Long subject lines

[Mihai Lazarescu]

On Sunday, August 19, 2018 at 03:17:58 +0100, David Woodfall wrote:

> Or is this a limitation of the RFC that subject lines need
> to be under a certain length?

Yes, RFC 5322.  Header lines cannot exceed 998 characters and 
should be folded at less than 78 character per line:

    https://tools.ietf.org/html/rfc5322#section-2.1.1

    https://tools.ietf.org/html/rfc5322#section-2.2.3

Mihai