[CentOS] slow SMTP-AUTH
brett at kinibay.net
Wed Jul 25 23:13:47 UTC 2007
Ugo Bellavance wrote:
> I installed sendmail on a centos-4 openvz VM. I set up SMTP-AUTH
> and when I try to send mail using this server, there is a big delay in
> which my e-mail client (Mozilla Thunderbird) just hangs. The server, on
> the other hand, is idle at the same time. It does that no matter if I
> use no encryption, TLS, or SSL. When the client is 'hung' sendmail, on
> the server side haven't logged anything yet for this connection.
> Any idea?
Since nothing is logged on the server, it sounds like there is a firewall (or
other networking problem) in the way. You should use WireShark (or tcpdump) on
the client to capture the network traffic.
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