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Topic: SMTP Error (450)

Hi I have installed IRED Mail + Centos  and and i ma using Rounnd Cube as mai client to send .No my proble is i am able to sendm mail to intenal User but not able to send it to outside id lik yahoo hotmail gmail etc... i am getting the below eroe
SMTP Error (450) : Failed to add recipient " XXXXX@yahoo .com " Can any one helo me out in solving this issue

Thanks & Regards
VMA

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Re: SMTP Error (450)

You should find out error log in postfix (/var/log/maillog), not roundcube log.

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Re: SMTP Error (450)

Hi,

Me too facing the same issue.Breaking my head for hours. Please suggest me a solutions

un  8 09:51:29 esp1 postfix/smtpd[5043]: connect from xxx.domain.in[127.0.0.1]
Jun  8 09:51:29 esp1 postfix/smtpd[5043]: NOQUEUE: reject: RCPT from xxx.domain.in[127.0.0.1]: 450 4.1.2 <xxxx@gmail.com>: Recipient address rejected: Domain not found; from=<www@xxx.domain.in> to=<xxxxxn@gmail.com> proto=ESMTP helo=<xxx.domain.in>
Jun  8 09:51:29 esp1 roundcube: Invalid response code received from server (450):
Jun  8 09:51:29 esp1 roundcube: [08-Jun-2011 09:51:29 +0530]: SMTP Error: SMTP error: Failed to add recipient 'xxx@gmail.com' in /var/www/roundcubemail-0.3.1/program/steps/mail/func.inc on line 1365 (POST /mail/?_task=mail&_action=send)
Jun  8 09:51:29 esp1 postfix/smtpd[5043]: disconnect from xxx.domain.in[127.0.0.1]

Any idea?

Thanks

Last edited by swiss2011 (2011-06-07 13:02:37)

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Re: SMTP Error (450)

swiss2011 wrote:

Jun  8 09:51:29 esp1 postfix/smtpd[5043]: NOQUEUE: reject: RCPT from xxx.domain.in[127.0.0.1]: 450 4.1.2 <xxxx@gmail.com>: Recipient address rejected: Domain not found; from=<www@xxx.domain.in> to=<xxxxxn@gmail.com> proto=ESMTP helo=<xxx.domain.in>

Do you have correct DNS server in /var/spool/postfix/etc/resolv.conf? This file should be same as /etc/resolv.conf.

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Re: SMTP Error (450)

ZhangHuangbin wrote:
swiss2011 wrote:

Jun  8 09:51:29 esp1 postfix/smtpd[5043]: NOQUEUE: reject: RCPT from xxx.domain.in[127.0.0.1]: 450 4.1.2 <xxxx@gmail.com>: Recipient address rejected: Domain not found; from=<www@xxx.domain.in> to=<xxxxxn@gmail.com> proto=ESMTP helo=<xxx.domain.in>

Do you have correct DNS server in /var/spool/postfix/etc/resolv.conf? This file should be same as /etc/resolv.conf.

Perfect, Thanks for the quick response.