On Sat, Nov 8, 2008 at 12:06 AM, Sahil Tandon <[EMAIL PROTECTED]> wrote:
> Terry Carmen <[EMAIL PROTECTED]> wrote: > > > Sahil Tandon wrote: > >> Linux Addict <[EMAIL PROTECTED]> wrote: > >> > >> > >>> Steven King wrote: > >>> > >>>> Postfix is very cautious about system resource usage. It keeps an eye > on > >>>> RAM usage, disk space, and CPU usage. > >>>> > >>>> I battered my postfix server with 200K mails once. Just for a stress > >>>> test. The load on the server went up sharply and was a bit sluggish > but > >>>> postfix chugged along through it with very little impact to other > >>>> services running on the system. > >>>> > >>>> Linux Addict wrote: > >>>> > >>>>> We have a java mailer application which was hung and queued more than > >>>>> 100k mails. People are working to fix it. I am worried that all 100k > >>>>> mails may hit postfix server and cause some damage. > >>>>> > >>>>> Anyway I can prepare for it? > >>>>> > >>>>> ~LA > >>>>> > >>>> > >>> Thanks! I am not just worried about the system performance, but > possible > >>> blacklisting as it may send flurry of mails to external domains. > >>> > >> > >> If you're really worried, you can parse the queue for large amounts of > >> messages heading to the same external domain and release the associated > >> QUEUE IDs slowly. Bit of a crude option, but one you might consider. > >> > > > > I'm not sure that would be helpful. One of my IPs got throttled at Yahoo > > for sending exactly two messages that looked spammy (but actually > weren't). > > > > The OP will probably have to take his lumps and fix it later. > > Yahoo! is especially atrocious in this regard and considers almost any > frequent sender as spammer unless the server is whitelisted. I only > have anecdotal evidence to back that up, so I am sure some will > disagree. > > The advice was disclaimed as "crude" for a reason. :-) It's no panacea, > but it should help on the margin. > > -- > Sahil Tandon <[EMAIL PROTECTED]> > Well... I worked with yahoo in the past to whitelist an IP and they ask tons of information but literally they think were always right in blacklisting. I am planning to sign domain keys and dkim. I hope yahoo doesn't block me. thank you. ~LA
