[Sebastian]

Hi Renzo, Sebastián again. I solved the problem. I added awaitSMTPResponse(client); in line 531 of file EMailSender.cpp and actualized the trust_achors.h with my domain. All works fine!

Thanks a lot for your time, Renzo. You do a great job and I learn you always.

Greetings, Sebastian

[Sebastian]

Hi Renzo!

I have news. I got now the following output:

19:35:41.695 -> Connecting to ADLERNET_TEST
19:35:41.993 -> …………
19:35:44.247 -> Connection: ESTABLISHED
19:35:44.247 -> Got IP address: 88.15.1.101
19:35:44.247 -> ONLY ONE RECIPIENTmultiple destination and attachments
19:35:44.247 -> Insecure client:1
19:35:44.247 -> mail.****.cl
19:35:44.247 -> 465
19:35:46.336 -> 220-yoda.dhn.cl ESMTP Exim 4.96 #2 Sun, 09 Apr 2023 19:35:47 -0400

19:35:46.336 -> 220-We do not authorize the use of this system to transport unsolicited,

19:35:46.336 -> 220 and/or bulk e-mail.

19:35:48.822 -> HELO mischianti
19:35:48.888 -> 250 yoda.dhn.cl Hello ASPA [xxx.xx.xxx.xx]

19:35:48.888 -> AUTH LOGIN:
19:35:48.888 -> 503 AUTH command used when not advertised

19:35:48.888 -> Encoding
19:35:48.888 -> ****@****.com
19:35:48.888 -> 26
19:35:48.888 -> [coded mail]
19:35:48.888 -> Encoding
19:35:48.888 -> ****@****.com
19:35:48.888 -> 26
19:35:48.888 -> 500 unrecognized command

19:35:48.888 -> Encoding
19:35:48.888 -> ****
19:35:48.888 -> 12
19:35:48.888 -> [coded pass]
19:35:48.888 -> Encoding
19:35:48.888 -> ****
19:35:48.888 -> 12
19:35:48.888 -> 500 unrecognized command

19:35:48.888 -> Sending status:
19:35:48.888 -> 0
19:35:48.888 -> 235
19:35:48.888 -> SMTP AUTH error (500 unrecognized command
)

I believe that the SMTP AUTH error is for other reason. The pass and E-Mail are OK. Maybe I need a credential?

Greetings, Sebastian

[Sebastian]

Hi Renzo,

I do the changes and attached the output, but the problem persists 🙁

Bye, Sebastian

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[Sebastian]

By the way, I’m using this board

[Sebastian]

Hi Renzo!

Time that I don’t write to you. How are you doing?

I have the same problem using the last update for this library. How can I enable the debug?

Greetings, Sebastian

[Sebastian]

Hi Renzo!
It works with the changes.
Greetings!

[Sebastian]

Hi Renzo!!!!

I downloaded the latest versions of the library and… IT WORKS!!!!!

Thanks a lot for your help, Renzo 😀

Greetings!

[Sebastian]

Hi Renzo!
I hope your are fine!! Thans a lot for your help and answers 😀
Let’s continue!!

I added the two lines that you wrote in EMailSender.cpp file as:

  client.print(F("To: "));
  for (cont=0;cont<sizeOfTo;cont++){
	  client.print(F("<"));
	  client.print(to[cont]);
	  client.print(">");
	  if (cont!=sizeOfTo-1){
		client.print(",");
		awaitSMTPResponse(client);
		awaitSMTPResponse(client);  
	  }
  }

Then, I added the line that you recommended me in the setup():

void setup() {
    Serial.begin(115200);

    connection_state = WiFiConnect(ssid, password);
    if(!connection_state)  // if not connected to WIFI
        Awaits();          // constantly trying to connect

    setEHLOCommand(true);

    EMailSender::EMailMessage message;
    message.subject = "Soggetto";
    message.message = "Ciao come stai<br>io bene.<br>www.mischianti.org";

    EMailSender::Response resp = emailSend.send("email_receive@gmail.com", message);

    Serial.println("Sending status: ");

    Serial.println(resp.status);
    Serial.println(resp.code);
    Serial.println(resp.desc);
}

But, I’ve got the following error: ‘setEHLOCommand’ was not declared in this scope, so I commented this line and
modified two lines (320 and 339 in EMailSender.h file) trying set the useEHLO command to true state. Sadly, I’m getting the same problem that I can’t send the Email. By the way, when I modified the port from 465 to 2083, I got the following output message:

19:52:46.035 -> ets Jul 29 2019 12:21:46
19:52:46.035 -> 
19:52:46.035 -> rst:0x1 (POWERON_RESET),boot:0x3 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2))
19:52:46.035 -> waiting for download
19:53:25.882 -> ets Jul 29 2019 12:21:46
19:53:25.882 -> 
19:53:25.882 -> rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
19:53:25.882 -> configsip: 0, SPIWP:0xee
19:53:25.882 -> clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
19:53:25.882 -> mode:DIO, clock div:1
19:53:25.882 -> load:0x3fff0018,len:4
19:53:25.882 -> load:0x3fff001c,len:1216
19:53:25.882 -> ho 0 tail 12 room 4
19:53:25.882 -> load:0x40078000,len:10944
19:53:25.882 -> load:0x40080400,len:6388
19:53:25.882 -> entry 0x400806b4
19:53:26.147 -> Connecting to ADLERNET_TEST
19:53:26.479 -> ............
19:53:28.701 -> Connection: ESTABLISHED
19:53:28.701 -> Got IP address: 88.15.1.102
19:53:28.701 -> ONLY ONE RECIPIENTmultiple destination and attachments
19:53:28.701 -> Insecure client:0
19:53:28.701 -> **********************
19:53:28.701 -> 2083
19:53:39.546 -> Sending status: 
19:53:39.546 -> 0
19:53:39.546 -> 1
19:53:39.546 -> SMTP Response TIMEOUT!

It’s very courious.

[Sebastian]

I tryed with 465 port and the response is like this:

21:33:48.538 -> ets Jul 29 2019 12:21:46
21:33:48.571 ->
21:33:48.571 -> rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
21:33:48.571 -> configsip: 0, SPIWP:0xee
21:33:48.571 -> clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
21:33:48.571 -> mode:DIO, clock div:1
21:33:48.571 -> load:0x3fff0018,len:4
21:33:48.571 -> load:0x3fff001c,len:1216
21:33:48.571 -> ho 0 tail 12 room 4
21:33:48.571 -> load:0x40078000,len:10944
21:33:48.571 -> load:0x40080400,len:6388
21:33:48.571 -> entry 0x400806b4
21:33:48.870 -> Connecting to ADLERNET_TEST
21:33:49.235 -> …………
21:33:51.456 -> Connection: ESTABLISHED
21:33:51.456 -> Got IP address: 88.15.1.102
21:33:51.456 -> ONLY ONE RECIPIENTmultiple destination and attachments
21:33:51.456 -> Insecure client:0
21:33:51.456 -> mail.aspaingenieria.cl
21:33:51.456 -> 465
21:33:53.114 -> 220-yoda.dhn.cl ESMTP Exim 4.95 #2 Tue, 31 May 2022 21:33:52 -0400

21:33:53.114 -> HELO Sebas:
21:33:53.114 -> 220-We do not authorize the use of this system to transport unsolicited,

21:33:53.114 -> Sending status:
21:33:53.114 -> 0
21:33:53.114 -> 250
21:33:53.114 -> Identification error (220-We do not authorize the use of this system to transport unsolicited,
)

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[Sebastian]

Hi Renzo
Port 587 doesn’t work. I also tryed with port 26 and I have the same screen. I looked to CPanel configuration and I don’t know how can I continue :S
Any help is welcome!

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[Sebastian]

Hi Renzo and thanks for your reply.
I use CPanel as provider.

[Sebastian]

Sorry for my late reply, Renzo.
I use Cpanel and the port availaible is 465
Bye!

[Author]

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