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could not authenticate error SMTP

durangod
Hi i am getting a SMTP could not authenticate when sending email from my WHMCS.. WHMCS said this: [QUOTE] The could not authenticate error is returned directly from the mailserver and not WHMCS itself. If the credentials entered are known to be valid, we would recommend investigation by your server administrator as to why valid logins are being rejected. Changing to TLS may have produced the error you experienced if your mailserver is not configured for TLS.
I would not be surprised since this this a new VPS setup if i missed something. How to i check to see ifi am set up for TLS? here is what i have done so far. I have checked the password, correct I have checked the mail server. Cpanel email config says it is vulcan.durangodaveshosting.com instead of mail.durangodaveshosting.com I am using port 465 8bit SMTP I did set SMTP debug to true in my config but nothing extra shows up in the error. as a test i did the following: changed the whmcs mail config to TLS (rather than SSL) and i got this. SMTP Error: Could not connect to SMTP host. then i changed it to none and got SMTP Error: Could not authenticate. I am also using configserver firewall.. Thanks im sure its something simple i just have not found it yet.

Comments

5 comments

Date Votes
  • cPanelMichael
    Hello :) I recommend posting this to the WHMCS forums: WHMCS - Support Forums Thank you.
    0
  • durangod
    i will do that as well, but i just got off of a ticket with whmcs tech support and they pretty much said it was a server issue not a whmcs issue. It was working before the move so im guessing its a server issue as well.
    0
  • cPanelMichael
    Does the issue persist if you temporarily disable CSF? Do you see any output to /var/log/exim_mainlog when this happens? Thank you.
    0
  • durangod
    It was csf smtp blocking that was doing it, i had to add my two shared ip's and my ded ip to the exception list and i had to also enable [QUOTE] Require clients to connect with SSL or issue the STARTTLS command before they are allowed to authenticate with the server
    in exim config -> security tab, now im not 100% sure this had anything to do with it but i suppose it cant hurt to have this enabled. I can send mail from whmcs now. here is what is so funny what is actually crazy is that its been what about a week now, and i had no clue my whmcs mail was not being sent. I get all these reports every day, when i log into root when i log into whm when i log into vps panel when mem is low when diskspace is low when there is a stange process. and on and on and on but what i dont get is what i need to get, stuff that is important that hey your email is not going out lmao... Thats the report i need lol screw the other ones lol..
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  • cPanelMichael
    I am happy to see you were able to address the issue. Note that cPanel/WHM notifications are typically related to the cPanel/WHM software itself. You would likely need to send a feature request to WHMCS if you wanted a notification about email failures from that application. Thank you.
    0

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