Re: Block spam at smtp time, but then still forward to users spam box

2019-05-20 Thread Thilo Molitor
> I would never do this. My rule is very simple, anything we accept gets > delivered to the user. Anything we reject gets rejected during the SMTP > transaction. If it is LEGITIMATE mail, the sender will see the rejection. This simple rule ensures a timely notification of the sender if something is

Re: Block spam at smtp time, but then still forward to users spam box

2019-05-20 Thread @lbutlr
On 20 May 2019, at 01:42, Brent Clark wrote: > My colleague has proposed that at smtp time, if a mail is deemed as spam, the > server issues a reject code, but then to too accept the mail and forward the > mail the user for incase its a false positive. The odds of a mail scoring over 10.0 on Sp

OT: Postscreen and scoring/blocking by ISP

2019-05-20 Thread Charles Sprickman
Hi all, I was looking through a few lists of RBLs and I’m not finding quite what I want. I have quite a bit of my spam blocking working fairly well, but I’m seeing quite a bit of “snowshoe spam” from a few providers. Rather than look up their netblocks and outright block them, I’d like to incor

Re: Block spam at smtp time, but then still forward to users spam box

2019-05-20 Thread Noel Jones
On 5/20/2019 2:42 AM, Brent Clark wrote: Good day Guys Just want to check with the community. My colleague has proposed that at smtp time, if a mail is deemed as spam, the server issues a reject code, but then to too accept the mail and forward the mail the user for incase its a false positiv

Re: SNI support

2019-05-20 Thread Wietse Venema
Fred Barachant: > Hi. > > SNI support for smtp server and client is said to be there, from > what i read in release notes from 3.4.0. ( > http://www.postfix.org/announcements/postfix-3.4.0.html ) However, > docs still say that it is not done not planned ( > http://www.postfix.org/TLS_README.html )

Re: Block spam at smtp time, but then still forward to users spam box

2019-05-20 Thread Bill Cole
On 20 May 2019, at 3:42, Brent Clark wrote: Good day Guys Just want to check with the community. My colleague has proposed that at smtp time, if a mail is deemed as spam, the server issues a reject code, but then to too accept the mail and forward the mail the user for incase its a false pos

Block spam at smtp time, but then still forward to users spam box

2019-05-20 Thread Brent Clark
Good day Guys Just want to check with the community. My colleague has proposed that at smtp time, if a mail is deemed as spam, the server issues a reject code, but then to too accept the mail and forward the mail the user for incase its a false positive. His logic is that, that the spammer d

Re: Postfix still rejecting with 450 while I have 550 in unverified_recipient_reject_code ?

2019-05-20 Thread Matus UHLAR - fantomas
On 20.05.19 09:17, sandermo...@telenet.be wrote: Thanks. I modified the internal server to reply with 550 instead of 450 and now postfix is using 550 too :-) Other question: Can I somehow have postfix only verify recipient addresses for internal mailservers? Right now it's doing this for outg

Re: Postfix still rejecting with 450 while I have 550 in unverified_recipient_reject_code ?

2019-05-20 Thread sandermoors
Thanks. I modified the internal server to reply with 550 instead of 450 and now postfix is using 550 too :-) Other question: Can I somehow have postfix only verify recipient addresses for internal mailservers? Right now it's doing this for outgoing emails too, verifying the recipient address,

Re: Postfix still rejecting with 450 while I have 550 in unverified_recipient_reject_code ?

2019-05-20 Thread Matus UHLAR - fantomas
On 20.05.19 08:46, sandermo...@telenet.be wrote: I have: # postconf |grep unverified_recipient_reject_ unverified_recipient_reject_code = 550 unverified_recipient_reject_reason = Unknown recipient address Yet, postfix is still rejecting with: May 20 08:38:27 mx10 postfix/smtpd[8934]: NOQUEUE: