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Solved Email Server Setup

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Joel Halter

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Hello i just upgraded my Free version of 3cx ver 15 to 15.5 yesterday (11/08/2017) and now i can't change any of the Setting for the email server. The Setting are all Grayed out and wont allow me to change anything.
I have a payed license of 3cx ver.15 that i want to upgrade to 15.5 but i have to be able to get the email working. Am i missing something with licensing that wont allow me to use an external SMTP server??
 

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  • 3cxSMTP.png
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YEs its ok - but delete that screenshot. Do not expose your license key!!
 
Clear the cache from the browser and press TEST
then login to 3CX and clear browser cache
Go to server and restart 3CX Management console service
Then try the test button again..
 
Please help me. Click button test, look messange. What this ?
MailKit.Net.Smtp.SmtpCommandException: Sender syntax error at MailKit.Net.Smtp.SmtpClient.ProcessMailFromResponse(MimeMessage message, MailboxAddress mailbox, SmtpResponse response) at MailKit.Net.Smtp.SmtpClient.FlushCommandQueue(MimeMessage message, MailboxAddress sender, IList`1 recipients, CancellationToken cancellationToken) at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, MailboxAddress sender, IList`1 recipients, CancellationToken cancellationToken, ITransferProgress progress) at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress) at MailKit.MailTransport.Send(MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress) at GenericUtilsNet.Mail.Send(AlternateView calendarData) Response:
 
This is at least better than no exception message. We will check and get back to you.
What is the host? linux or windows?
 
Galskiy33 Can you confirm that you are using 3CXSMTP server? If not then you need to send me a pm so I see what smtp you are using and put all the options you configured in PM pls.
 
nickybrg said:
Galskiy33 Can you confirm that you are using 3CXSMTP server? If not then you need to send me a pm so I see what smtp you are using and put all the options you configured in PM pls.
Click to expand...
Yes, I'm using 3cxSMTP server, host linux.
 

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Send me your license key in PM so I will test from here.
 
NickD_3CX said:
If you press the Test button you should at least see something. If success you should see something like this:
View attachment 6476

If not you should see an error and that should help us understand what is happening. Not that to contact the 3CX SMTP, and outbound connection from 3CX is made to port 2528, so make sure you are not blocking that on your firewall.

After doing this check if the Test button show a message.
Click to expand...

my problem not solved know and my test button does not show any message, I re Install the elastix v5 server several time and check with different licence key and .....
I think maybe my 2528 port that you say is not open, how can I check it? and how can I open it? (I install my elastix on a ESXI VmWare machine)
 
if you do not get a message when you press test, it means that you are not reaching our servers.
Which means that something is not letting you go out or message does not come back.
You must have some weird firewall that blocks outbound. Something only high end enterprise firewalls are designed by default to do.

Do you have a fw in between? Then bypass it or allow everything outbound. And try again. More than this we cannot advise.
 
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nickybrg said:
if you do not get a message when you press test, it means that you are not reaching our servers.
Which means that something is not letting you go out or message does not come back.
You must have some weird firewall that blocks outbound. Something only high end enterprise firewalls are designed by default to do.

Do you have a fw in between? Then bypass it or allow everything outbound. And try again. More than this we cannot advise.
Click to expand...
I hav an adsl modem that connect to esxi server and elastix install on esxi with bridge network, i set off the firewall on modem and also set the dmz to elastix ip address, is this configuration true?!?
 
Remove the elastix ip address from DMZ. If you switched the firewall off you do not need to put things in DMZ.
Try again. Remove IP from DMZ, allow outbound and restart firewall and modem.
 
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Galskiy33 We found your issue - good catch!!! and thanks for your patience and for the info you provided.
It is failing because your company name contains russian characters and the string is appended to the mail string. This is why you get the exception.
We will issue a fix online soon. You do not need to update anything. Try again later on today or tomorrow. And then you should get things working.
 
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nickybrg said:
Remove the elastix ip address from DMZ. If you switched the firewall off you do not need to put things in DMZ.
Try again. Remove IP from DMZ, allow outbound and restart firewall and modem.
Click to expand...
I do this but unfortunently the problem not solved
 
nickybrg said:
Galskiy33 We found your issue - good catch!!! and thanks for your patience and for the info you provided.
It is failing because your company name contains russian characters and the string is appended to the mail string. This is why you get the exception.
We will issue a fix online soon. You do not need to update anything. Try again later on today or tomorrow. And then you should get things working.
Click to expand...
My company name that I inserted dose not have eny russian characters and also I create another Licence using individual free licence type that it's not requaire any company name!!!!
But I wait a day maybe you're correct
 
Best open a support ticket because something is blocking your mail sending.
Or open a support ticket.
Or troubleshoot what is happening with wireshark
 
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Pejman you have a different issue.
Galskiy gets a red exception like 5 lines long when he presses the test button. This means that galskiy is able to reach our servers and get the exception.
You get nothing when you press the test button. That means that your problem is worse because you are not even able to communicate 2 way with server.
 
NickD_3CX said:
That is correct, starting from V15.5 SP2, using your own SMTP server requires a commercial License Key.
Click to expand...
So, if we have a PRO licence, there wouldn't be any issues. Correct?
 
all is well. It made me feel good. I changed the name of the company from Russian into English on the portal 3CX https://customer.3cx.com
Thank you.
 
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