NEW Can set value for EHLO smtp command in MAIL_SMTP_USE_FROM_FOR_HELO

This commit is contained in:
Laurent Destailleur 2021-11-06 19:07:28 +01:00
parent 257fe444af
commit 77864f2c2c

View File

@ -464,20 +464,26 @@ class SMTPs
$host = 'tls://'.$host;
}
$hosth = $host;
$hosth = $host; // so for example 'localhost' or 'smtp-relay.gmail.com'
if (!empty($conf->global->MAIL_SMTP_USE_FROM_FOR_HELO)) {
// If the from to is 'aaa <bbb@ccc.com>', we will keep 'ccc.com'
$hosth = $this->getFrom('addr');
$hosth = preg_replace('/^.*</', '', $hosth);
$hosth = preg_replace('/>.*$/', '', $hosth);
$hosth = preg_replace('/.*@/', '', $hosth);
if (!is_numeric($conf->global->MAIL_SMTP_USE_FROM_FOR_HELO)) {
// If value of MAIL_SMTP_USE_FROM_FOR_HELO is a string, we use it as domain name
$hosth = $conf->global->MAIL_SMTP_USE_FROM_FOR_HELO;
} else {
// If value of MAIL_SMTP_USE_FROM_FOR_HELO is 1, we use the domain in the from.
// So if the from to is 'aaa <bbb@ccc.com>', we will keep 'ccc.com'
$hosth = $this->getFrom('addr');
$hosth = preg_replace('/^.*</', '', $hosth);
$hosth = preg_replace('/>.*$/', '', $hosth);
$hosth = preg_replace('/.*@/', '', $hosth);
}
}
if ($_retVal = $this->socket_send_str('EHLO '.$hosth, '250')) {
if ($usetls) {
/*
The following dialog illustrates how a client and server can start a TLS STARTTLS session
The following dialog illustrates how a client and server can start a TLS STARTTLS session:
S: <waits for connection on TCP port 25>
C: <opens connection>
S: 220 mail.imc.org SMTP service ready
@ -494,6 +500,39 @@ class SMTPs
S: 250-server-domain.com
S: 250 AUTH LOGIN
C: <continues by sending an SMTP command
Another example here:
S: 220 smtp.server.com Simple Mail Transfer Service Ready
C: EHLO client.example.com
S: 250-smtp.server.com Hello client.example.com
S: 250-SIZE 1000000
S: 250-AUTH LOGIN PLAIN CRAM-MD5
S: 250-STARTTLS
S: 250 HELP
C: STARTTLS
S: 220 TLS go ahead
C: EHLO client.example.com *
S: 250-smtp.server.com Hello client.example.com
S: 250-SIZE 1000000
S: 250-AUTH LOGIN PLAIN CRAM-MD5
S: 250 HELP
C: AUTH LOGIN
S: 334 VXNlcm5hbWU6
C: adlxdkej
S: 334 UGFzc3dvcmQ6
C: lkujsefxlj
S: 235 2.7.0 Authentication successful
C: MAIL FROM:<mail@samlogic.com>
S: 250 OK
C: RCPT TO:<john@mail.com>
S: 250 OK
C: DATA
S: 354 Send message, end with a "." on a line by itself
C: <The message data (body text, subject, e-mail header, attachments etc) is sent>
S .
S: 250 OK, message accepted for delivery: queued as 12345
C: QUIT
S: 221 Bye
*/
if (!$_retVal = $this->socket_send_str('STARTTLS', 220)) {
$this->_setErr(131, 'STARTTLS connection is not supported.');
@ -517,10 +556,10 @@ class SMTPs
$this->_setErr(132, 'STARTTLS connection failed.');
return $_retVal;
}
// Most server servers expect a 2nd pass of EHLO after TLS is established to get another time
// Most servers expect a 2nd pass of EHLO after TLS is established to get another time
// the answer with list of supported AUTH methods. They may differs between non STARTTLS and with STARTTLS.
if (!$_retVal = $this->socket_send_str('EHLO '.$hosth, '250')) {
$this->_setErr(126, '"'.$hosth.'" does not support authenticated connections.');
if (! $_retVal = $this->socket_send_str('EHLO '.$hosth, '250')) {
$this->_setErr(126, '"'.$hosth.'" does not support authenticated connections. Error after sending EHLO '.$hosth);
return $_retVal;
}
}
@ -560,7 +599,7 @@ class SMTPs
$this->_setErr(130, 'Invalid Authentication Credentials.');
}
} else {
$this->_setErr(126, '"'.$host.'" does not support authenticated connections.');
$this->_setErr(126, '"'.$host.'" does not support authenticated connections. Error after sending EHLO '.$hosth);
}
return $_retVal;
@ -603,11 +642,17 @@ class SMTPs
$hosth = $host;
if (!empty($conf->global->MAIL_SMTP_USE_FROM_FOR_HELO)) {
// If the from to is 'aaa <bbb@ccc.com>', we will keep 'ccc.com'
$hosth = $this->getFrom('addr');
$hosth = preg_replace('/^.*</', '', $hosth);
$hosth = preg_replace('/>.*$/', '', $hosth);
$hosth = preg_replace('/.*@/', '', $hosth);
if (!is_numeric($conf->global->MAIL_SMTP_USE_FROM_FOR_HELO)) {
// If value of MAIL_SMTP_USE_FROM_FOR_HELO is a string, we use it as domain name
$hosth = $conf->global->MAIL_SMTP_USE_FROM_FOR_HELO;
} else {
// If value of MAIL_SMTP_USE_FROM_FOR_HELO is 1, we use the domain in the from.
// If the from to is 'aaa <bbb@ccc.com>', we will keep 'ccc.com'
$hosth = $this->getFrom('addr');
$hosth = preg_replace('/^.*</', '', $hosth);
$hosth = preg_replace('/>.*$/', '', $hosth);
$hosth = preg_replace('/.*@/', '', $hosth);
}
}
$_retVal = $this->socket_send_str('HELO '.$hosth, '250');