It looks like either you or your mailer are sending this: tomcat-user-unsubscribe-lmayer=' <[EMAIL PROTECTED]> instead of this: [EMAIL PROTECTED] My guess is your mailer. Some mailers are somewhat limited in the syntax of e-mailadresses. > -----Ursprüngliche Nachricht----- > Von: Laurence Mayer [mailto:[EMAIL PROTECTED]] > Gesendet: Montag, 21. Mai 2001 18:24 > An: '[EMAIL PROTECTED]' > Betreff: RE: ***** URGENT: UNSUBSCRIBING FROM THE TOMCAT-USER > LIST ***** <snip/> > <[EMAIL PROTECTED]>: > Sorry, no mailbox here by that name. (#5.1.1) > From: Laurence Mayer <[EMAIL PROTECTED]> > To: 'tomcat-user-unsubscribe-lmayer=' <[EMAIL PROTECTED]> <snip/>