Re: Preferred/maintained greylisting options?

2020-05-26 Thread Doug Hardie
> On 25 May 2020, at 12:00, Chris Wedgwood wrote: > >> Greylisting has become pretty much useless. When I disabled it a >> couple years ago, the spam levers did not increase by any measurable >> amount. We now use just 3 RBLs and that seems to be a relatively >> acceptable level of spam. > >

SNI problem

2020-05-26 Thread Ján Máté
Hi Postfix users, I have a problem with the new tls_server_sni_maps configuration option - it seems that Postfix (3.4.10 debian-buster) is unable to load the key+cert+chain combination using this option. The error is "SNI data for smtp.myserver.eu does not match next

Re: Preferred/maintained greylisting options?

2020-05-26 Thread Chris Wedgwood
> Contrary to someone else's experience related in this thread, I > still see a significant amount of spam that greylisting blocks, and > extremely few spammers retry and get through. I concurn, as reported, I curently see greylisting reduce spam by a factor of 4. > I have only had one known

Re: Preferred/maintained greylisting options?

2020-05-26 Thread Marvin Renich
* Laura Smith [200524 16:00]: > > I’ve been sort of opposed to greylisting in the past due to a > > userbase that’s sensitive to delays, but… the spam is worse. > > IMHO Greylisting is rather pointless. Its a blunt tool, and not only > that it does that unforgivable thing of annoying genuine

Re: Postfix -> Whatapp

2020-05-26 Thread Jos Chrispijn
On 26-5-20 21:59, Wietse Venema wrote: Sure. Use recipient_bcc_maps to add an extra recipient to their email messages.That extra recipient goes through transport_maps to a pipe daemon that invokes a command that sends a whatsapp message. Great suggestion, thanks for that! Best, Jos -- With

Re: Postfix -> Whatapp

2020-05-26 Thread Jaroslaw Rafa
Dnia 26.05.2020 o godz. 13:06:54 Bill Gee pisze: > Almost completely irrelevant, but still an interesting (and true!) story > ... About 30 years ago I started a job at an insurance company. At that > time less than half the company had PCs. Most had 3270 green screen > terminals. The corporate

Re: Postfix -> Whatapp

2020-05-26 Thread Jos Chrispijn
On 26-5-20 21:24, J Doe wrote: You may want to investigate doing this at the MDA.  If you run Dovecot in conjunction with Postfix, you could write a Sieve script that calls a shell script that then sends the notification to whatever third-party service you would like. As a side-note - there

Re: Postfix -> Whatapp

2020-05-26 Thread Jos Chrispijn
On 26-5-20 21:18, vi...@vheuser.com wrote: I hate to see folks on a user list throw down at a question. More helpful than "No way, utterly" is "Here's how to". Thanks. I just asked if this is possible. Sorry if I offended someone. The question was how to initiate a script upon receipt of an

Re: Postfix -> Whatapp

2020-05-26 Thread Wietse Venema
Jos Chrispijn: > Is there a way of Postfix sending a Whatsapp message to a user when > there came in email for her/him? Sure. Use recipient_bcc_maps to add an extra recipient to their email messages.That extra recipient goes through transport_maps to a pipe daemon that invokes a command that

Re: Postfix -> Whatapp

2020-05-26 Thread Phil Stracchino
On 2020-05-26 15:18, vi...@vheuser.com wrote: > More helpful than "No way, utterly" is "Here's how to". > The question was how to initiate a script upon receipt of an email. > Here's a suggestion: > https://unix.stackexchange.com/questions/178396/run-script-on-receipt-of-email I note that the

Re: Postfix -> Whatapp

2020-05-26 Thread J Doe
On 2020-05-26 1:52 p.m., Phil Stracchino wrote: On 2020-05-26 13:42, Jos Chrispijn wrote: Is there a way of Postfix sending a Whatsapp message to a user when there came in email for her/him? Thanks, Jos No. That is utterly and totally not Postfix's, or any MTA's, job. Period. If you wanted

Re: Postfix -> Whatapp

2020-05-26 Thread vi...@vheuser.com
On 2020/05/26 14:06 PM, Bill Gee wrote: Almost completely irrelevant, but still an interesting (and true!) story ... About 30 years ago I started a job at an insurance company. At that time less than half the company had PCs. Most had 3270 green screen terminals. The corporate email was SYSM

Re: Postfix -> Whatapp

2020-05-26 Thread Bill Gee
Almost completely irrelevant, but still an interesting (and true!) story ... About 30 years ago I started a job at an insurance company. At that time less than half the company had PCs. Most had 3270 green screen terminals. The corporate email was SYSM running on a System 370 mainframe.

Re: Postfix -> Whatapp

2020-05-26 Thread Phil Stracchino
On 2020-05-26 13:42, Jos Chrispijn wrote: > Is there a way of Postfix sending a Whatsapp message to a user when > there came in email for her/him? > > Thanks, Jos No. That is utterly and totally not Postfix's, or any MTA's, job. Period. If you wanted to get a WhatsApp notification when you

Postfix -> Whatapp

2020-05-26 Thread Jos Chrispijn
Is there a way of Postfix sending a Whatsapp message to a user when there came in email for her/him? Thanks, Jos -- With both feet on the ground you can't make any step forward

Re: ADVICE: Best Practice - Usernames with Domain components

2020-05-26 Thread mj
Hi, I have read your mail, and we're using a setup similar to yours (samba, postfix, debian) and we're using 'regular' usernames, without the domain prefix. Sometimes, but only in windows, we specify a domain name to make clear to windows that we mean the DOMAIN account username, and not a

ADVICE: Best Practice - Usernames with Domain components

2020-05-26 Thread Nick Piggott
Hello, Here's my setup: * Ubuntu 18.04 LTS * Postfix 3.3.0 * Mailutils 3.4 * Samba 4.7.6 * Active Directory (provided by Samba) My usernames are of the format: * DOMAIN\username I can separately maintain a list of mappings between DOMAIN\username and username. Here are the problems I'm looking