Thanks Wietse... log parsing in this cases is hard, so probably i will reject mails with spaces via sender_access since so far only spammers use spaces...
From: Wietse Venema <wie...@porcupine.org> To: Postfix users <postfix-users@postfix.org> Sent: Tuesday, November 22, 2016 12:40 PM Subject: Re: space character in email address Pedro David Marco: > Hi, > i am seeing lines in postfix logs like this: > postfix/qmgr[1084]: 955AE4009A: from=<cesar > burk...@server1.domainomitted.com>, size=10346, nrcpt=1 (queue active) > > please note the "space" in the user part of the from between cesar and burklez > my understading was that no space was allowed in an email addresss...? > am i right? Space in the localpart is allowed, provided that it is quoted, as in "cesar burklez"@server1... The logging does not show the quotes, but it probably should. Wietse