Cannot sent user mail.client-domain.tld

[MyIDKaTePe]

i test my smtp using wp mail smtp pro
php8.0

when i put server host: mail.client-domain.tld
result error

but when i change the host to mail.my-hostname.tld
everything is working

how to fix it ?

[MyIDKaTePe]

@die2mrw007 @shoaibkk @S4_Hosting and other ?
anyone ?

[Dreamer]

I have noticed same issue on when connecting mail box to gmail. Other one what give complain of mail server is outlook if don’t use main mail server domain.

[MyIDKaTePe]

so, is this an issue/bug ? or just miss configuration ?

what do you think ?

[MyIDKaTePe]

i hope this is my mistake…
if not…then developer will have +1 homework

[Dreamer]

I think it’s something to do with some mail systems want actual sending mail server mach.

[MyIDKaTePe]

some past version (i forgot what month)
it’s working…
i can use mail.client-domain.tld
but few days ago it came to failure

[Dreamer]

I just checked I use same plugin free version on one site with own maiserver, that’s working fine even use not main mail server host

[MyIDKaTePe]

so… at your side, it’s working
i tried free version too, same result… error
omg… is this my local problems ?

[Dreamer]

When you send test mail what full error report say?

[MyIDKaTePe]

look like everythings is okay
but…

Versions:
WordPress: 6.0
WordPress MS: No
PHP: 8.0.20
WP Mail SMTP: 3.4.0

Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP Error: Could not connect to SMTP host.
Host: mail.xxxxxxx.org
Port: 465
SMTPSecure: ssl
SMTPAutoTLS: bool(true)
SMTPAuth: bool(true)

Server:
OpenSSL: OpenSSL 1.1.1f 31 Mar 2020
Apache.mod_security: No

Debug:
Email Source: WP Mail SMTP Pro
Mailer: Other SMTP
SMTP Error: Could not connect to SMTP host.

SMTP Debug:
2022-06-13 09:05:08 Connection: opening to ssl://mail.xxxxxxx.org:465, timeout=300, options=array()

2022-06-13 09:05:08 Connection failed. Error #2: stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages:error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed [/home/xxxxx.org/public_html/wp-includes/PHPMailer/SMTP.php line 389]

2022-06-13 09:05:08 Connection failed. Error #2: stream_socket_client(): Failed to enable crypto [/home/xxxxx.org/public_html/wp-includes/PHPMailer/SMTP.php line 389]

2022-06-13 09:05:08 Connection failed. Error #2: stream_socket_client(): Unable to connect to ssl://mail.xxxxxx.org:465 (Unknown error) [/home/xxxxx.org/public_html/wp-includes/PHPMailer/SMTP.php line 389]

2022-06-13 09:05:08 SMTP ERROR: Failed to connect to server: (0)

SMTP Error: Could not connect to SMTP host.

i just change to mail.primary-domain.tld then everything is working fine
mail.primary-domain.tld at cloudflare too

[Dreamer]

You already tried re-issue SSL for this mail domain?

[MyIDKaTePe]

already did…
thats why i post here
i affraid bug ssl is comming back

[shoaibkk]

Need to check if you issue mail server SSL for any domain

[MyIDKaTePe]

i will try re issue other domain…

[MyIDKaTePe]

only happen to new added domain(new-issued)

[MyIDKaTePe]

forget it… i will let it use primary domain.

my head already smoked out

i hope it will solved in next 3 month hahaha