> > Ya bisa menggunakan Hostscreening.
> >
> > http://mdaemon.dutaint.co.id/mdaemon/17.5/index.html?security--
> host_sc
> > reening.htm
> >
> > masukkan #.#.#.#
> 
> 
> Blocking ini hanya effektif kalau menu berikut aktif.
> 
> [x] Drop connection after EHLO (Do not wait for authentication)

Dear Pak Syafril,

Saya sudah melakukan ini (memasukkan #.#.#.#) di host screening, namun saya cek 
masih lolos ya pak (spammer masih dapat authenticate), sbb :

Wed 2018-03-28 11:09:00.983: 01: ----------
Wed 2018-03-28 11:09:00.954: 05: Session 723209; child 0005
Wed 2018-03-28 11:09:00.954: 05: Accepting SMTP connection from 
175.106.8.10:57024 to 192.168.1.19:25
Wed 2018-03-28 11:09:00.955: 03: --> 220 mail.aio.co.id ESMTP MDaemon 15.5.3; 
Wed, 28 Mar 2018 11:09:00 +0700
Wed 2018-03-28 11:09:01.053: 02: <-- HELO [0.0.0.0]
Wed 2018-03-28 11:09:01.053: 03: --> 250 mail.aio.co.id Hello [0.0.0.0], 
pleased to meet you
Wed 2018-03-28 11:09:01.176: 02: <-- AUTH LOGIN
Wed 2018-03-28 11:09:01.176: 03: --> 334 VXNlcm5hbWU6
Wed 2018-03-28 11:09:01.332: 02: <-- c2FsZXNiYW5na2FAYWlvLmNvLmlk
Wed 2018-03-28 11:09:01.332: 03: --> 334 UGFzc3dvcmQ6
Wed 2018-03-28 11:09:01.451: 02: <-- ******
Wed 2018-03-28 11:09:01.453: 03: --> 235 2.7.0 Authentication successful
Wed 2018-03-28 11:09:01.453: 01: Authenticated as [email protected]
Wed 2018-03-28 11:09:01.548: 02: <-- MAIL FROM: <[email protected]>
Wed 2018-03-28 11:09:01.549: 03: --> 250 2.1.0 Sender OK
Wed 2018-03-28 11:09:01.621: 02: <-- RCPT TO: <[email protected]>
Wed 2018-03-28 11:09:01.622: 01: Sender attempted to deliver message to unknown 
address
Wed 2018-03-28 11:09:01.622: 03: --> 550 5.1.1 Recipient unknown 
<[email protected]>
Wed 2018-03-28 11:09:01.735: 05: Connection closed
Wed 2018-03-28 11:09:01.735: 04: SMTP session terminated (Bytes in/out: 137/273)
Wed 2018-03-28 11:09:01.735: 01: ----------

Mohon pencerahannya.

Best Regards,

Slamet Raharjo
IT Dept.

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