> 
> IMAP itu nama protocol untuk akses/terima mail.
> Kalau memang tidak tahu nama email clientnya, sebutkan nama mobile
> device yang dipakai sekalian dengan versi OS nya.
> 
Devicenya Iphone 6 dan ini detail SMTP in log untuk error nya pak yang kami 
dapat dari users lain yang pakai Iphone6 mengirim ke saya
Wed 2015-01-28 11:33:38: 05: [505796] Session 505796; child 0004
Wed 2015-01-28 11:33:38: 05: [505796] Accepting SMTP connection from 
[114.120.195.191:50019] to [165.108.159.10:25]
Wed 2015-01-28 11:33:38: 03: [505796] --> 220-mail.jkt.itochu.co.id ESMTP 
MDaemon 14.0.3; Wed, 28 Jan 2015 11:33:38 +0700
Wed 2015-01-28 11:33:38: 03: [505796] --> 220 No public service mail PT. Itochu 
Indonesia
Wed 2015-01-28 11:33:39: 02: [505796] <-- EHLO [172.18.203.149]
Wed 2015-01-28 11:33:39: 03: [505796] --> 250-mail.jkt.itochu.co.id Hello 
[172.18.203.149] (may be forged), pleased to meet you
Wed 2015-01-28 11:33:39: 03: [505796] --> 250-ETRN
Wed 2015-01-28 11:33:39: 03: [505796] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Wed 2015-01-28 11:33:39: 03: [505796] --> 250-8BITMIME
Wed 2015-01-28 11:33:39: 03: [505796] --> 250-STARTTLS
Wed 2015-01-28 11:33:39: 03: [505796] --> 250 SIZE 20480000
Wed 2015-01-28 11:33:40: 02: [505796] <-- AUTH CRAM-MD5
Wed 2015-01-28 11:33:40: 03: [505796] --> 334 
PE1EQUVNT04tRjIwMTUwMTI4MTEzMy5BQTMzNDA1NTNNRDAwMTJAbWFpbC5qa3QuaXRvY2h1LmNvLmlkPg==
Wed 2015-01-28 11:33:41: 02: [505796] <-- 
Z290by1tQGprdC5pdG9jaHUuY28uaWQgM2UzNmVjODkwMmE3MmJlM2NiMWM5NDM4NTNhZmQyY2Q=
Wed 2015-01-28 11:33:41: 03: [505796] --> 235 Authentication successful
Wed 2015-01-28 11:33:41: 01: [505796] Authenticated as [email protected]
Wed 2015-01-28 11:33:43: 02: [505796] <-- MAIL FROM:<[email protected]>
Wed 2015-01-28 11:33:43: 03: [505796] --> 250 <[email protected]>, Sender 
ok
Wed 2015-01-28 11:33:45: 02: [505796] <-- RCPT TO:<[email protected]>
Wed 2015-01-28 11:33:45: 03: [505796] --> 250 <[email protected]>, 
Recipient ok
Wed 2015-01-28 11:33:48: 02: [505796] <-- RSET
Wed 2015-01-28 11:33:48: 03: [505796] --> 250 RSET? Well, ok.
Wed 2015-01-28 11:34:22: 02: [505796] <-- QUIT
Wed 2015-01-28 11:34:22: 03: [505796] --> 221 See ya in cyberspace
Wed 2015-01-28 11:34:22: 04: [505796] SMTP session terminated (Bytes in/out: 
205/565)


> Umumnya mobile device tidak diinstall antivirus atau firewall, karena
> realtime scanning antivirus itu semacam proxy yang menipu email client
> seolah mail sudah terkirim ke mail server padahal baru sampai ke proxy
> antivirus tersebut.
> Jika mail gagal dikirim ke mail server si AV ini tidak kasih tahu :-(
> 
> Kalau mobile devicesnya pakai Android, IOS atau BB10 tidak perlu
> install
> antivirus karena semua OS nya merupakan variant (derivative) dari
> linux/unix yang imune dari virus (tetapi tidak imune dari bug).
> 


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