John & others, On 23/09/16 01:48, Leo Famulari wrote: > I had this experience, too. I assume it's some sort of spam mitigation. I can't speak for the FSF admins, but that[0] is almost certainly the reason. On the other hand, I often receive others' mail with delays up to several hours. I hope this isn't a common experience, and blame my mail host. They'll soon be replaced with GuixSD. Kind regards, T G-R [0]: https://en.wikipedia.org/wiki/Greylisting