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501205680 6th April 2007 21:42

Not receiving emails on yahoo or hotmail or gmail

I have a RedHat Linux box - Red Hat Enterprise Linux AS release 3 and have a monitoring application installed on the box.

The application sends alerts to my local domain ids' . e.g :

The problem is I do not get alerts on yahoo or gmail or hotmail account.

I have checked the and seems to be OK.

The maillog file looks like this when sending email using sendmail -v -s commands to the id.

Apr 6 12:59:10 HOSTNAME sendmail[31882]: l36Gx9eO031882:, ctladdr=root (0/0), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=33218, [xx.xx.xx.xx], dsn=2.0.0, stat=Sent ( < > Queued mail for delivery).

I understand that when I send a test mail from the box .. I get email on my local id and the sender name is .. and actually it should come from a valid account id .. like The is getting lost in the Interent cloud as invalid and hence cannot get emails on outside domains.


501205680 7th April 2007 02:45

Here is the error message :

mail -v -s "testing local email" < /dev/null
Null message body; hope that's ok Connecting to via relay...
220 ESMTP MailFrontier (
>>> EHLO
250 SIZE 104857600
>>> MAIL From:< > SIZE=54
250 OK - mail from < >; can accomodate 54 bytes
>>> RCPT To:<>
>>> DATA
550 5.7.1 Unable to relay for <>
503 5.5.1 Error: need RCPT command
>>> RSET
250 2.0.0 Ok
root... aliased to root
/root/dead.letter... Saved message in /root/dead.letter
Closing connection to
>>> QUIT
221 2.0.0 Bye

falko 7th April 2007 15:24

Please check if your server is blacklisted:

Also, do your hostname and sender domain exist in DNS?

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