Connect fails from php.
Connected directly from the container and it can talk to mailhog but php does not.
root@6c74662b8030:/var/www/phpList3# ./busybox telnet mailhog 25
Connected to mailhog
220 mailhog.example ESMTP MailHog
HELO
250 Hello
MAIL FROM [email protected]
550 Invalid syntax in MAIL command
MAIL
550 Invalid syntax in MAIL command
MAIL FROM: [email protected]
250 Sender [email protected] ok
RCPT TO: [email protected]
250 Recipient [email protected] ok
DATA
354 End data with .
HELLO!
.
250 Ok: queued as [email protected]