sendmail, popper gurus needed! Update: solved! [outgoing mail] [failure data]
Q: I have a mail server and a DSL connection, FreeBSD and sendmail, popper. Ive had no problems until yesterday afternoon when I started with long logins and not to connect to POP3 mail. I started troubleshooting, and as the afternoon progressed, the DSL connection fails completely. I called the people there and reset the modem and router this morning (it is an external site), and I connect, but outgoing email is failing.
Here is a copy of the failure data, as the case the server:
The original message was received by Thurs, 20/02/2003 9:56:23 -0800 (PST)
from localhost [127.0.0.1] —– The following addresses had 977,503,977,503 permanent fatal errors — – 977 503 977 503 977 503 —– u003c billyjoebob@myISP.comu003e Transcript of session follows —– 977 503 550 5.1.2 u003cbillyjoebob@myISP.comu003e . Host unknown (Name server: mailserver.myISP.com.: Host not found)
I was testing my own account at myISP.com that the ISP where the DSL connection is hosted.
It not deliver to any address given, however. Incoming works fine.
Is there a way for me to determine whether this is a routing problem with myISP.com?
I suspect it is a routing problem, but I do not want problems with my server or router to eliminate first. I have made no changes, and I am the only one with access.
Any ideas?
Re:OK, it is running again.
I did a 'make maps' and a 'make restart' from etc/mail, and it started working outbound again!
I have no idea how, but one of the .db files must have been corrupted. I have the server on a UPS, and I can't find a hard boot in the logs, so I am at a loss as to why it became unusable.
Thanks for all your suggestions, I implemented them all, and used each as a starting point for more digging:)
Re:this looks like a DNS issue are the isp moving their mail servers on to a different IP hence the lack of resolution untill propagation?
is all outgoign mail hosed or just to that domain?
do a dig or nslookup against the ISP domain and check the MX records are showing and not corrupt or lost.
you could try relaying the mail out to another server first and let that server relay it on usually smtp.isp.com will work as your isp if any good should have a secured smtp relay on thier network for customers to use if it realys out through and lot local then maybe it is sendmail or your local dns at fault.
Re:My ISP's nameservers, by IP.
This has worked fine for 4 months now, very strange.
I tried to send mail using my username@the IP of my ISP's mailserver, and that bounced back too.
I have tried using other nameservers in resolv.conf, to see if it was purely a dns issue. No go.
At the heart of the issue are several php generated emails that my site puts out in response to orders and such. I can use my ISP's mailserver for outgoing purposes from my mail browser, but that won't help the site-generated email.
Re:What is in your /etc/resolv.conf?
Re:Instead of using myISP.com use its IP address if that has the same effect you can rule out a DNS problem.
Routing? No, you have good incoming unless YOU have a router that's hosed.
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Tags: failure data, outgoing mail