Dear Pak Syafril,

Pak kalo Log dibawah ini kenapa ya pak? ini saya ambil dari SMTP(in) :

Fri 2019-03-15 19:52:06.926: Session 060823; child 0001
Fri 2019-03-15 19:52:06.926: Accepting SMTP connection from
79.236.253.150:29231 to 192.168.1.3:25
Fri 2019-03-15 19:52:06.927: --> 220 mail.mersifarma.com ESMTP Fri, 15 Mar
2019 19:52:06 +0700
Fri 2019-03-15 19:52:07.218: <-- EHLO p4FECFD96.dip0.t-ipconnect.de
Fri 2019-03-15 19:52:07.221: Performing SPF lookup (
p4FECFD96.dip0.t-ipconnect.de / 79.236.253.150)
Fri 2019-03-15 19:52:07.517: *  Result: none; no SPF record in DNS
Fri 2019-03-15 19:52:07.517: ---- End SPF results
Fri 2019-03-15 19:52:07.518: --> 250-mail.mersifarma.com Hello
p4FECFD96.dip0.t-ipconnect.de [79.236.253.150], pleased to meet you
Fri 2019-03-15 19:52:07.519: --> 250-ETRN
Fri 2019-03-15 19:52:07.519: --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Fri 2019-03-15 19:52:07.519: --> 250-8BITMIME
Fri 2019-03-15 19:52:07.519: --> 250-ENHANCEDSTATUSCODES
Fri 2019-03-15 19:52:07.519: --> 250-STARTTLS
Fri 2019-03-15 19:52:07.519: --> 250 SIZE 20480000
Fri 2019-03-15 19:52:07.917: <-- MAIL From:<reymon...@mersifarma.com>
Fri 2019-03-15 19:52:07.922: Performing PTR lookup
(150.253.236.79.IN-ADDR.ARPA)
Fri 2019-03-15 19:52:08.581: *  D=150.253.236.79.in-addr.arpa TTL=(1440)
PTR=[p4fecfd96.dip0.t-ipconnect.de]
Fri 2019-03-15 19:52:08.871: *  D=p4fecfd96.dip0.t-ipconnect.de TTL=(1440)
A=[79.236.253.150]
Fri 2019-03-15 19:52:08.871: ---- End PTR results
Fri 2019-03-15 19:52:08.877: Performing IP lookup (
p4FECFD96.dip0.t-ipconnect.de)
Fri 2019-03-15 19:52:08.879: *  D=p4fecfd96.dip0.t-ipconnect.de TTL=(1440)
A=[79.236.253.150]
Fri 2019-03-15 19:52:08.879: ---- End IP lookup results
Fri 2019-03-15 19:52:08.886: Performing IP lookup (mersifarma.com)
Fri 2019-03-15 19:52:08.888: *  D=mersifarma.com TTL=(55) A=[103.58.102.35]
Fri 2019-03-15 19:52:08.888: *  D=mersifarma.com TTL=(55) A=[182.23.18.103]
Fri 2019-03-15 19:52:08.890: *  P=010 S=000 D=mersifarma.com TTL=(32) MX=[
mail.mersifarma.com] {182.23.18.103}
Fri 2019-03-15 19:52:08.890: ---- End IP lookup results
Fri 2019-03-15 19:52:08.911: Performing SPF lookup (mersifarma.com /
79.236.253.150)
Fri 2019-03-15 19:52:08.920: *  Result: none; no SPF record in DNS
Fri 2019-03-15 19:52:08.920: ---- End SPF results
Fri 2019-03-15 19:52:08.920: --> 250 2.1.0 Sender OK
Fri 2019-03-15 19:52:09.315: <-- RCPT To:<reymon...@mersifarma.com>
Fri 2019-03-15 19:52:09.319: --> 530 5.7.0 Authentication required
Fri 2019-03-15 19:52:09.685: *  Socket error 10054 - Connection was reset
by the other side!
Fri 2019-03-15 19:52:09.685: SMTP session terminated (Bytes in/out: 110/331)

Terima kasih.

Salam,

Yusuf

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