500 TLS Negotiation Failed

Alright, everything's fine on localhost, I can send/receive email through webmail, but when I use phpmailer with the SMTP on any ports 25, 587, I got this error.

Please help!

Delivery log detail 2017-11-22

SMTP log from 2017-11-22 01:16:49

500 TLS Negotiation Failed Show detailed SMTP Log

01:16:49 [karma] - pass, no penalty (0 naughty, 0 nice, 4 connects) 01:16:49 [fcrdns] - pass 01:16:50 [earlytalker] - pass, not spontaneous 01:16:50 [relay] - skip, no match 01:16:50 220 mail.xxxx.ph ESMTP 01:16:50 EHLO ic29xroszprwihcwvfq2ud2g3 01:16:50 [helo] - karma -1 (-1) 01:16:50 [helo] - fail, tolerated, not FQDN 01:16:50 250-mail.xxxx.ph Hi 104.xxx.xxx.154.static.xxxx.com [104.xxxx.154] 01:16:50 250-PIPELINING 01:16:50 250-8BITMIME 01:16:50 250 STARTTLS 01:16:50 STARTTLS 01:16:50 220 Go ahead with TLS 01:16:50 500 TLS Negotiation Failed 01:16:50 QUIT 01:16:50 221 mail.xxxx.ph closing connection. Have a wonderful day. 01:16:50 click, disconnecting

Is it possible the port isn't open remotely?

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