On 20 October 2017 at 14:21, Emanuel <emanuel.gonza...@donweb.com> wrote:
> Hello, > > Is it possible to create a list where the IP of certain recipients can be > blocked? > > Here and example: > > Oct 19 10:15:09 smtp01 postfix/smtpd[11048]: 5C28C20018459: > client=myserver[172.17.111.242] > Oct 19 10:15:09 smtp01 postfix/cleanup[6836]: 5C28C20018459: message-id= > <59e8a0ca77...@domain.com> <59e8a0ca77...@domain.com> > Oct 19 10:15:09 smtp01 postfix/qmgr[3054]: 5C28C20018459: from= > <u...@domain.com> <u...@domain.com>, size=16981, nrcpt=1 (queue active) > Oct 19 10:15:25 smtp01 smht-101-41/smtp[7698]: 5C28C20018459: to= > <u...@hotmial.com> <u...@hotmial.com>, > relay=mail.h-email.net[198.133.159.122]:25, > delay=16, delays=0.15/0/9.2/6.3, dsn=2.0.0, status=sent (250 Queued!) > Oct 19 10:15:25 smtp01 postfix/qmgr[3054]: 5C28C20018459: removed > > Our users incorrectly type the domain name of the recipient. > > *hotmial.com <http://hotmial.com> ==> hotmail.com <http://hotmail.com>* > > My idea is block the MX or IP ==> mail.h-email.net - 198.133.159.122 > A better idea is to block the sending by recipient domain, with a suitable warning: /etc/postfixmain.cf: <snip> transport_maps = hash:/etc/postfix/transport <snip> /etc/postfix/transport: hotmial.com error:5.1.2 maybe you mean hotmail.com hotmal.com error:5.1.2 maybe you mean hotmail.com hoitmail.com error:5.1.2 maybe you mean hotmail.com homail.com error:5.1.2 maybe you mean hotmail.com hotrmail.com error:5.1.2 maybe you mean hotmail.com hotmil.com error:5.1.2 maybe you mean hotmail.com hotmaill.com error:5.1.2 maybe you mean hotmail.com Obvs you need to hash the transport file and then reload postfix. This transport file can easily be extended to cover similar cases.
