Re: purpose of "Incoming" files

[Katsumi Yamaoka]

>>>>> In <m3d62enupj.fsf@pdrechsler.fqdn.th-h.de>
>>>>>   Patrick Drechsler <patrick.drechsler@gmx.net> wrote:

> what's the purpose of all those "Incoming*" files in my ~/Mail
> folder? I delete them once a month...

See the Gnus info manual:

M-x info RET d m Gnus RET m Gnus Development RET
C-s mail-source-delete-incoming

> Which variable prohibits their creation/forces their deletion?

u u u m Mail Source Customization RET