SMTP Error Could not authenticate

allanbett · September 17, 2020, 7:13am

Hi. I am unable to send emails on phplist installed on CentOS8. I have the following debug info:
Connection: opening to --cirt-org-bw.mail.protection.outlook.com:25, timeout=5, options=array ()
Connection: opened
SMTP -> get_lines(): $data is “”
SMTP -> get_lines(): $str is “220 --VI1EUR05FT043.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Thu, 17 Sep 2020 06:54:25 +0000”
SERVER -> CLIENT: 220 --VI1EUR05FT043.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Thu, 17 Sep 2020 06:54:25 +0000
CLIENT -> SERVER: EHLO 10.2.0.9
SMTP -> get_lines(): $data is “”
SMTP -> get_lines(): $str is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]”
SMTP -> get_lines(): $str is “–250-SIZE 157286400”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400”
SMTP -> get_lines(): $str is “250-PIPELINING”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING”
SMTP -> get_lines(): $str is “250-DSN”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN”
SMTP -> get_lines(): $str is “250-ENHANCEDSTATUSCODES”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES”
SMTP -> get_lines(): $str is “250-STARTTLS”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS”
SMTP -> get_lines(): $str is “250-8BITMIME”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS250-8BITMIME”
SMTP -> get_lines(): $str is “250-BINARYMIME”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS250-8BITMIME250-BINARYMIME”
SMTP -> get_lines(): $str is “250-CHUNKING”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS250-8BITMIME250-BINARYMIME250-CHUNKING”
SMTP -> get_lines(): $str is “250 SMTPUTF8”
SERVER -> CLIENT: --250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-STARTTLS250-8BITMIME250-BINARYMIME250-CHUNKING250 SMTPUTF8
CLIENT -> SERVER: STARTTLS
SMTP -> get_lines(): $data is “”
SMTP -> get_lines(): $str is “220 2.0.0 SMTP server ready”
SERVER -> CLIENT: 220 2.0.0 SMTP server ready
CLIENT -> SERVER: EHLO 10.2.0.9
SMTP -> get_lines(): $data is “”
SMTP -> get_lines(): $str is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]”
SMTP -> get_lines(): $str is “250-SIZE 157286400”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400”
SMTP -> get_lines(): $str is “250-PIPELINING”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING”
SMTP -> get_lines(): $str is “250-DSN”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN”
SMTP -> get_lines(): $str is “250-ENHANCEDSTATUSCODES”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES”
SMTP -> get_lines(): $str is “250-8BITMIME”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-8BITMIME”
SMTP -> get_lines(): $str is “250-BINARYMIME”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-8BITMIME250-BINARYMIME”
SMTP -> get_lines(): $str is “250-CHUNKING”
SMTP -> get_lines(): $data is “–250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-8BITMIME250-BINARYMIME250-CHUNKING”
SMTP -> get_lines(): $str is “250 SMTPUTF8”
SERVER -> CLIENT: --250-VI1EUR05FT043.mail.protection.outlook.com Hello [41.79.138.123]250-SIZE 157286400250-PIPELINING250-DSN250-ENHANCEDSTATUSCODES250-8BITMIME250-BINARYMIME250-CHUNKING250 SMTPUTF8
SMTP Error: Could not authenticate.
CLIENT -> SERVER: QUIT
SMTP -> get_lines(): $data is “”
SMTP -> get_lines(): $str is “221 2.0.0 Service closing transmission channel”
SERVER -> CLIENT: 221 2.0.0 Service closing transmission channel
Connection: closed
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Your assistance will be highly appreciated! Thank you

hiroyuki-sato · September 18, 2020, 10:13am

Hello, @allanbett

It reports SMTP Error: Could not authenticate.
It seems that you need to set SMTP authentication.

github.com

phpList/phplist3/blob/master/public_html/lists/config/config_extended.php#L578-L613


// To use a SMTP server please give your server hostname here, leave it blank to use the standard
// PHP mail() command.
define('PHPMAILERHOST', '');

// in the above you can specify multiple SMTP servers like this:
// 'server1:port1;server2:port2;server3:port3' eg
//define('PHPMAILERHOST','smtp1.mydomain.com:25;smtp2.mydomain.com:2500;smtp3.phplist.com:5123');

// if you want to use smtp authentication when sending the email uncomment the following
// two lines and set the username and password to be the correct ones
//$phpmailer_smtpuser = 'smtpuser';
//$phpmailer_smtppassword = 'smtppassword';

//# you can set this to send out via a different SMTP port
// define('PHPMAILERPORT',25);

//# test vs blast
// you can send test messages via a different SMTP host than the actual campaign queue
// if not set, these default to the above PHPMAILERHOST and PHPMAILERPORT
// define('PHPMAILERTESTHOST','testsmtp.mydomain.com');

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Dragonrider · September 18, 2020, 12:06pm

And don’t forget to transfer the settings into config.php for it to have any effect.

allanbett · September 18, 2020, 3:24pm

I defined that in the config.php file but it brings the same error