Array
(
    [error] => Connecting to the POP3 server raised a PHP warning: 
    [errno] => 2
    [errstr] => fsockopen(): unable to connect to pop3.yourdomain.com:110 (Connection timed out)
)
Failed to connect to server pop3.yourdomain.com on port 110110Connection timed out
SMTP -> FROM SERVER:220 ns57.hostinglotus.net ESMTP Exim 4.92.3 Fri, 29 May 2020 05:43:31 +0700
SMTP -> FROM SERVER: 250-ns57.hostinglotus.net Hello ns57.hostinglotus.net [119.59.120.34] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250-STARTTLS 250 HELP
SMTP -> FROM SERVER:250 OK
SMTP -> FROM SERVER:550 authentication required
SMTP -> ERROR: RCPT not accepted from server: 550 authentication required
SMTP Error: The following recipients failed: whoto@otherdomain.com Mailer Error: SMTP Error: The following recipients failed: whoto@otherdomain.com

SMTP server error: authentication required