[pfx] Re: gmail failing SPF/DKIM

2023-11-28 Thread Matthew McGehrin via Postfix-users
Hello. I was able to replicate this error, however it's not a misconfiguration in Postfix, but rather a policy change by Google. I didn't notice the bounce message sooner, since it was routed to my SPAM folder on Gmail. If I use a GMAIL From: address and attempt to email another GMAIL

[pfx] Re: smtpd rate limiting

2023-09-29 Thread Matthew McGehrin via Postfix-users
I might had used the wrong terminology. I was mainly referencing delayed email that occurs with Grey listing. Most of the delay email for me is either Google or Yahoo. Matthew On 9/29/2023 7:40 PM, Wietse Venema via Postfix-users wrote: Matthew McGehrin via Postfix-users: Hi Kevin

[pfx] Re: smtpd rate limiting

2023-09-29 Thread Matthew McGehrin via Postfix-users
Hi Kevin. If the delays are being caused by bounce message processing, you could run a second instance dedicated to just processing delayed messages using fallback_relay. You can also make adjustments to the individual queues in master.cf, one tweak I use is increasing the flush rate to

[pfx] Re: Anyone using SMTP relay through dnsexit.com?

2023-06-27 Thread Matthew McGehrin via Postfix-users
Hello. Some alternatives might be to use one of the commercial bulk mail providers such as: Sendgrid AmazonSES MailGun I use mailersend.com for transactional emails for Reverse.net. Other options include buying a $5 KVM and self hosting a public relay for outbound only. Matthew On

[pfx] Re: delivery loop?

2023-05-22 Thread Matthew McGehrin via Postfix-users
Hello. It really depends on your mail volume and the reliability of your primary MX hostname. Typically the RFC permits mail to be delayed for up to 5 days at which mail will bounce back as undeliverable. For most low-volume sites, a primary only MX configuration is fine. Both of those

[pfx] Re: Painful Postfix

2023-04-30 Thread Matthew McGehrin via Postfix-users
Hello. You can try adding to your main.conf: tcp_windowsize=65535 See also: https://www.postfix.org/postconf.5.html That can help fixing broken window sizes because of a firewall. Thanks Matthew On 4/30/2023 12:35 AM, Kolusion K via Postfix-users wrote: Hello again My e-mail server is

[pfx] Re: Painful Postfix

2023-04-29 Thread Matthew McGehrin via Postfix-users
Hello. Could you post a copy of the logs that you are seeing for this mail delay? What was the reject code? Thanks Matthew On 4/29/2023 5:40 AM, Kolusion K via Postfix-users wrote: Hello I am having a painful experience with Postfix and I hope that someone can help me.  I am trying to

[P-U] Re: New List Host and Reply-to Header

2023-03-09 Thread Matthew McGehrin via Postfix-users
Hi Peter. The Reply-To has always been the original poster for 10+ years. No sense changing it now. :) Matthew On 3/9/2023 1:08 PM, Peter via Postfix-users wrote: On 10/03/23 07:34, postfix--- via Postfix-users wrote: Is it the best idea to add a reply-to header to the author on mailing

[P-U] Re: Poster Name not visible in Thunderbird

2023-03-07 Thread Matthew McGehrin via Postfix-users
Hello. I found the issue. It seems I had the list address saved as a contact, so Thunderbird was displaying Postfix Users. I removed the contact and it's displaying the poster name. See screenshot. Thank you. MatthewM ___ Postfix-users mailing

[P-U] Poster Name not visible in Thunderbird

2023-03-07 Thread Matthew McGehrin via Postfix-users
Hello. Sadly, when viewing this list in Thunderbird, it only displays "Postfix Users" as the From address, versus showing the posters name. I tend to ignore posters I don't recognize, and now i need to open each post to see who replied. Any workarounds in Thunderbird to override this