Re: Mail Delivery Status report

> On 31 May 2019, at 00:33, Bastian Blank > wrote: > > On Fri, May 31, 2019 at 12:03:37AM -0600, @lbutlr wrote: >> I am getting mail delivery status reports for every bcc email (that is, >> every email, since I use a bcc map to create a backup of all the mail). > > Then you missconfigured s

Re: Mail Delivery Status report

On Fri, May 31, 2019 at 01:29:11AM -0600, @lbutlr wrote: > mail postfix/pipe[78386]: 45FZmb6nfgzdrvL: > to=>, relay=dovecot, delay=0.03, > delays=0.01/0.01/0/0.01, dsn=2.0.0, status=deliverable (delivers to command: > /usr/local/libexec/dovecot/dovecot-lda) > mail postfix/pickup[14015]: 45FZmb6n

Re: re-route mails on demand during block of ip address

On 5/31/2019 1:48 AM, Stefan Bauer wrote: Hi, I'm running a pair of postfix-servers in different data-centers (different ip networks) for outgoing-only delivery. once in a while my providers /22 appear on public blacklists, so mails from my nodes also gets rejected. For this, i have now a t

Re: re-route mails on demand during block of ip address

Hi Noel, thank you for your reply. You know, in real world, ips/ranges get blocked from time to time and i would like to be ready for this and not rely on others :) The workaround looks indeed crappy - i wonder how others handle this situation in "bigger" setups? I'm currently having 7000-8000 mai

Re: re-route mails on demand during block of ip address

The majority of blacklists work on the individual host level (IPv4 /32 or IPv6 /64). If your provider's entire /22 is being listed by public blacklists then I suspect you either have a very disreputable provider or the provider has indicated that the /22 is intended for use by residential/dynam

Re: OT: Postscreen and scoring/blocking by ISP

> On May 30, 2019, at 5:38 PM, Allen Coates wrote: > > > On 30/05/2019 22:21, Allen Coates wrote: >> Currently, I am using a CIDR access-control-list to block (in PostScreen) >> hosts >> from certain "nuisance" countries. A weekly script derives the netblocks >> from >> the zone lists publis

Re: re-route mails on demand during block of ip address

On 31 May 2019, at 11:12, Stefan Bauer wrote: > thank you for your reply. You know, in real world, ips/ranges get blocked > from time to time Not be legitimate RBLs they don't unless you are actually sending spam. If more IPs than just you mail server are getting blocked, then you probably nee

Re: OT: Postscreen and scoring/blocking by ISP

Charles Sprickman: > https://www.team-cymru.com/IP-ASN-mapping.html#dns > > > That?s part way there. I can easily find the ASNs I care to penalize. But > still have to figure out how to do something with that in postscreen? There is no need t

Re: OT: Postscreen and scoring/blocking by ISP

> On May 31, 2019, at 7:45 PM, Wietse Venema wrote: > > Charles Sprickman: >> https://www.team-cymru.com/IP-ASN-mapping.html#dns >> >> >> That?s part way there. I can easily find the ASNs I care to penalize. But >> still have to figure o

Re: OT: Postscreen and scoring/blocking by ISP

On 31 May 2019, at 22:03 (-0400), Charles Sprickman wrote: I really want to weight against some sources, not block them entirely though... Then the ideal tool is SpamAssassin, not postscreen. It's easy to add and set the scoring of any DNSBLs you find useful and if you want more complex logi