[ic] 'Unable to send mail' - ongoing issue

[Stefan Hornburg]

On Tue, 04 Jan 2005 14:03:01 -0800
Ed LaFrance <Ed.LaFrance at newmediaems.com> wrote:

> Hi Listees -
> 
> I've just started working on a new client's system, and I see they are 
> plagued with a problem that I have observed on a myriad of other 
> installations. Namely, various emails sent by Interchange occasionally do 
> not go out. The failed sends can be found in the catalog error log, 
> preceded by the string 'Unable to send mail using (sendmail or similar)'. I 
> have seen order reports, customer receipts, contact messages and more email 
> types fail in this manner, sent by both email UserTags and Interchange's 
> internal mailing routines. I've seen this on Red Hat, Debian, FreeBSD, and 
> Solaris systems - maybe more, but those are the ones that come to mind. In 
> all cases, the systems have plenty of available RAM, disk space and CPU 
> resources.

Some questions on this:

- which MTA is used on these systems ?

- any error message in the logs of the MTA ?

- DNS problems ?

Thanks
	Racke



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