[Mailman-Users] on mailing to my list: user (=listname) unknown; (sendmail-mailman config error?)

[Thomas Hochstein]

walter.mauritz at wu-wien.ac.at schrieb:

> Successfully created a list, got a confirmation eMail from list. But on mailing to the list listname = "mylist", I get the following error:
>
> <mylist at smesrv.sme-union.org>:
> 217.136.223.232_does_not_like_recipient./Remote_host_said:_550_5.1.1_<mylist at smesrv.s
> me-union.org>..._User_unknown/Giving_up_on_217.136.223.232./

You *did* create an alias file for sendmail (or modify the existing,
that is)?

-thh