Re: "Recipient address rejected: User unknown in virtual mailbox table" and mydomain conf line

2018-08-15 Thread Poliman - Serwis
1. To be honest I don't know what is top-posting. Could you explain? I will avoid it then. ;) 2. I have dns zone of colonel.com.pl on my server but MX records points to google (https://admin.google.com), like: alt1.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Viktor Dukhovni
> On Aug 15, 2018, at 8:54 AM, Bill Cole > wrote: > >> But I don't want to make the mistake of turning it on just to be current, if >> I then make it impossible to communicate with my servers. > > Typically there is no need to "turn on" TLS versions in Postfix, it is only a > matter of how

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Viktor Dukhovni
> On Aug 15, 2018, at 5:51 AM, robac...@fastmail.us wrote: > > Back to the TESTing question. How does Postfix notify you if you do? > > Only in the error logs? Or some response that I should get as a response in > my mailer? I would set: delay_warning_time = 2h and if any mail is

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Bill Cole
On 14 Aug 2018, at 23:05 (-0400), robac...@fastmail.us wrote: Hello, I'm starting the process of moving my mail from a hosted service to my own. It'll include a Postfix server. I got a test server running locally and 'sending & receiving' mail inside my lan. Now I'm doing my reading on s

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Dominic Raferd
On Wed, 15 Aug 2018 at 10:52, wrote: > That 'trusteddomainproject' sounds a bit more official. Or at least > broader. But I really don't know. Seems like there aren't a lot of people > working on it. Or that bugs get the attention they need. > That is the home of opendkim and opendmarc (and a

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread robacons
Thanks alot for the comments so far! >> (1) >> >>What do folks here recommend to use? > On my current server, I skipped amavisd-new because sometimes it stalls the > mail queue. Nor do I run SpamAssassin. I'm happy just using RBLs. I'm running > opendkim, openspf, and opendmarc. > Regarding DK

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Dominic Raferd
On Wed, 15 Aug 2018 at 09:32, Gary wrote: > ... > I'm guessing you will be using a VPS. I'm on Digital Ocean running Centos. > But I assume this is a function of what country you reside in. Some > sysadmins will assume if you are on a VPS, you are a spammed. ATT for > example. They will whitelist

Re: New to Postfix. 3 questions about security functions.

2018-08-15 Thread Gary
When I set up my last email server, I got a cheap TLD to flog it on the internet. I used a dot-site TLD that cost a buck. (Mind you I reject all those goofy TLDs on my actual server.) With example.site, you get to test out everything except dnssec. The last place I would be looking for email se