tuwebhost Posted March 9, 2011 Share Posted March 9, 2011 HI: At the moment trying to send an email to a client using the profile area of the client clicking on Go o Send Email either writing a new message or email or just using the predifined emails that appear there. At the moment to do that the email is not send and shows this error: Email Sending Failed - Invalid address: Any idea why? thanks so much. 0 Quote Link to comment Share on other sites More sharing options...
WHMCS Support Manager WHMCS John Posted March 10, 2011 WHMCS Support Manager Share Posted March 10, 2011 The error is being returned by your mail server. You'll need to contact the mail server admin to find out why this particular email address is being rejected. 0 Quote Link to comment Share on other sites More sharing options...
tuwebhost Posted April 13, 2011 Author Share Posted April 13, 2011 I tried changing the email 3 times already. All different emails in yahoo and hotmail and gmail email accounts and in all cases said the same that can not send email and sending email failed. Any other explanation? 0 Quote Link to comment Share on other sites More sharing options...
mylove4life Posted April 13, 2011 Share Posted April 13, 2011 are you using your mail server or php to send them out? 0 Quote Link to comment Share on other sites More sharing options...
tuwebhost Posted June 1, 2011 Author Share Posted June 1, 2011 Hi: I was using php mail. I just change it to SMTP. Lets see if it works. 0 Quote Link to comment Share on other sites More sharing options...
Meebo Posted March 13, 2013 Share Posted March 13, 2013 I have exactly the same issue! They are all working well before I upgrade it from 5.1.3 to 5.2.1, and I don't think it's due to the mail server. Is there any way we can debug the script or log? Thank you 0 Quote Link to comment Share on other sites More sharing options...
Meebo Posted March 13, 2013 Share Posted March 13, 2013 I have checked the maillog in the system, this error occurred before it's being sent to the local mail server. 0 Quote Link to comment Share on other sites More sharing options...
Meebo Posted March 13, 2013 Share Posted March 13, 2013 Sorry didn't search the forum throughly, here comes the link http://forum.whmcs.com/showthread.php?69438-FIXED-Email-Sending-Failed-Invalid-address&highlight=invalid+address Thank you 0 Quote Link to comment Share on other sites More sharing options...
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