Outlook error message says that request to server timed out.
tracert smtp.zoho.com
Tracing route to smtp.zoho.com [204.141.43.189]
over a maximum of 30 hops:
1 1 ms 1 ms 1 ms 192.168.1.1
2 2 ms 1 ms 1 ms 109.206.203.2
3 3 ms 2 ms 2 ms 109.206.192.3
4 6 ms 2 ms 2 ms ae4-314.cr1-waw1.ip4.gtt.net [77.67.98.225]
5 25 ms 23 ms 23 ms et-7-3-0.cr2-ams1.ip4.gtt.net [213.200.112.201]
6 25 ms 25 ms 23 ms 77.67.124.14
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 * * * Request timed out.
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.