Prestashop 1.7 + SMTP + Docker + Ubuntu

Prestashop 1.7 + SMTP + Docker + Ubuntu

Hi ! I'm trying to send an email via SMTP inside a container on a droplet in Digital Ocean.

My VPS IP address is: 142.93.9.158

My traceroute is: 

traceroute to smtp.zoho.com (204.141.43.189), 30 hops max, 60 byte packets
1  142.93.0.254 (142.93.0.254)  0.807 ms  0.775 ms 142.93.0.253 (142.93.0.253)  0.813 ms
2  138.197.251.84 (138.197.251.84)  1.781 ms 138.197.251.64 (138.197.251.64)  0.783 ms 138.197.251.80 (138.197.251.80)  1.225 ms
3  138.197.244.19 (138.197.244.19)  0.838 ms 138.197.244.25 (138.197.244.25)  1.618 ms 138.197.244.29 (138.197.244.29)  0.999 ms
4  nyk-b3-link.telia.net (62.115.45.5)  1.975 ms nyk-b3-link.telia.net (62.115.45.9)  2.030 ms  1.955 ms
5  nyk-bb4-link.telia.net (62.115.139.150)  17.219 ms  16.928 ms  16.800 ms
6  toro-b1-link.telia.net (62.115.113.87)  16.768 ms  16.557 ms  16.511 ms
7  zenedge-ic-313547-toro-b1.c.telia.net (213.248.81.78)  16.648 ms  16.653 ms  16.633 ms
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SMTP config:

Server_Address: smtp.zoho.com
User_Name: email @domain.com
Password: MyPassword
Auth_Port: 465
Encryption: TLS