Am Fr, den 04.11.2005 schrieb Ki Song um 18:14: > > Test you DNS. Often a slow resolver causes slow mail processing. > > I tested sending messages by using the actual ip address as the smtp server > (so that i can bypass the dns server), and still, the sluggish performance. > To clarify, when I say sluggish, I mean that sending a message via smtp and > receiving messages via pop, takes about 10 seconds, when as recently as 2 > days ago, it was sending in less than 1 second. DNS is much more involved than just for the SMTP server name and IP you are calling from your client! I did mean DNS more generally: so DNS comes to play when the target MX host is to be found for the message recipient. For incoming mail other DNS queries are processed. A 10 seconds delay can indicate either a non working or blocked identd request or a non working reverse DNS check. Alexander -- Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773 legal statement: http://www.uni-x.org/legal.html Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.35_FC2smp Serendipity 18:19:11 up 6 days, 16:19, load average: 0.19, 0.18, 0.10
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