SMTP server response: 503

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Hi I have a website www.bluebeachresort.net[^] and the contact form on the reservation page has recently stopped sending the messages through to our email client webmail. It used to work fine and then one day it just stopped working

Whenever someone tries to contact us they get the following message

Warning: mail() [function.mail]: SMTP server response: 503 This mail server requires authentication when attempting to send to a non-local e-mail address. Please check your mail client settings or contact your administrator to verify that the domain or address is defined for this server. in C:\inetpub\vhosts\bluebeachresort.net\httpdocs\actions.php on line 39
Error , Please try again!!

We have tried to get the person who made our website to fix it but they are not interested so we are stuck. Can anyone tell me how I can go about fixing this problem please?

Thanks

[edit] changed pre tags to text - Nelek[/edit]

Posted 26-May-12 2:48am

bluebeachresort

Updated 26-May-12 10:53am

Nelek

v3

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Mehdi Gholam · Answer 1 · 2012-05-26T04:50:00

Solution 1

Like the error says you need to be authenticated before sending emails.

Try the following:
- In your source files were you are connecting to the web server supply a valid user and password like : info@domain.com [the full name not just the user name].

Posted 26-May-12 4:50am

Mehdi Gholam

Comments

bluebeachresort 27-May-12 0:04am

Thanks a lot for your suggestion. I'm not very savvy about these things so I'll have to try and get someone to do it for me. Why is it that it has worked fine for over 3 years and suddenly it requires authentification?

Thanks again

PrafullaVedante 27-May-12 0:36am

Please check with your email relay server admin. They might have introduced ESMTP , which requires credentials for sending mails.

bluebeachresort 27-May-12 0:59am

Thanks PrafullaVedante. I will send an email to then and ask that.