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Questions tagged [postfix]

Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: `postconf -n` (non-default content of main.cf) and `postconf -M` (content of master.cf)

Postfix is a mail transfer agent (MTA) that supports IPv6, DNSBL, SMTP AUTH (SASL), TLS and various database backend.

Postfix was written by Wietse Venema in 1997 and first released in December 1998 as IBM Secure Mailer.

It was designed to be highly secure and configurable, and is a drop-in replacement for , with much simpler configuration syntax.

The software was also formerly known as VMailer.

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Send Postfix outgoing mail through a Google Apps alias

I have a domain example.com set up as follows A server hosts a website and other some other stuff Google Apps handles my email and is configured to send and receive it Whenever the server needs to send me an email, it uses Postfix to send the…
Noamyoungerm
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Sendmail and matching recipient against a list of known-good, non local, addresses

the feature I am after is similar to the postfix's relay_recipients, but I need to do it in sendmail. I have a list of known good recipient addresses on a server for which this machine acts as the net-facing frontend (mail comes in from the outside,…
Alien Life Form
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Add timestamp to apache error log

So I keep getting the following error in apache logs: sendmail: fatal: open /etc/postfix/main.cf: No such file or directory And I'm trying to figure out where/when it's being attempted, but I can't figure out where in the apache logs I'm supposed…
Aram Papazian
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Postfix block double extensions in archive attachment

These days I have problems with trojans in attachments like: //EZuS.zip//invoice_scan_xcFSuO.xls.js contains a potentially infected object HEUR:Trojan-Downloader.Script.Generic. //TuxX.zip//invoice_YAFFOg.doc.js contains a potentially infected…
Max
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Debian Postfix distribution list accessible only for few adresses

Actually I'm working with Postfix server and trying to implement distribution list with simple restrictions. My assumptions: I created alias: managers@mydomain.com -> manager1@mydomain.com, manager2@mydomain.com, manager3@mydomain.com I want to…
user334962
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Postfix - bounce messages are not sent to postmaster

I ban and reject some spammer domains/IPs, via: smtpd_recipient_restrictions = check_sender_access regexp:/etc/postfix/client_checks, ... client_checks file: /\@domain\./ REJECT and it works fine, but I want to receive notification on postmaster…
cmpt
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Mailman: How to split up mails into batches

Having huge mailinglists with maybe 10k subscribers, is there a way to split list forwarded by mailman into batches maybe a 1000 mails sending out each batch maybe with an offset? Or would it make more sense to configure postifx a little smarter?
frlan
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PostFix/Dovecot new installation on Centos6

I have installed Postfix and Dovecot on my server. It seems to be mostly working - I can send mail from my account to a remote account no problem. My problem is receiving it. When I send an email from a remote host, I can see the email is being…
markt
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Postfix: deleting emails with recipient not in virtual_alias_maps

I'm getting a lot of spam for recipients that don't exist on my domain. I'm forwarding email on this domain to various external addresses for my family by using virtual_alias_maps. To prevent these invalid addresses cluttering up my mailq and just…
gmerrall
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FreeBSD & Jails: Send mail through Postfix in Jail

I have FreeBSD 10.2 and I'm using several Jails, one of them has Postfix installed. I want my other jails and my host system to use the local Postfix installation in the Jail. They should use sendmail to submit their mails to the Postfix Jail. What…
basbebe
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Postfix RCPT TO Temporary lookup failure

I'm pretty clueless about servers as it is, and having to set up postfix is giving me a tough time. I know this error is pretty common, but even after spending half a day and trying various solutions, nothing has worked for me. Would someone be good…
ankush981
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Should local network host names and IPs be stripped from mail headers?

I'm completely confused about question of necessity/benefit of stripping local network host names and IPs from from mail headers. Two years ago I've found an article which states that modern ESPs (Yahoo, Microsoft, Google...) considers Received:…
Miloš Đakonović
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ClamAV Milter service will not start after updating clamav-milter

I recently updated ClamAV. Here are the packages that were updated: clamav-db-0.99-3.el6.x86_64 clamav-0.99-3.el6.x86_64 clamd-0.99-3.el6.x86_64 clamav-milter-0.99-3.el6.x86_64 libpng-1.2.49-2.el6_7.x86_64 Now I get this in every three minutes in…
halmeetdave
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Postfix set EHLO name for virtual domains

I need to set EHLO name for my virtual domains. Postfix sending mail with EHLO as JV.localdomain where JV is my hostname my server ip is 62.210.xx.xx I am hosting 2 domains domain1.com and domain2.com As I am getting blacklist by spamhose How can I…
Tall boY
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Postfix sending mails hundreds of times to e-mail address hosted on plus.net

I have a Postfix mail server handling mail relay for web sites. It's working perfectly and delivering hundreds of mails every day without issues. In the past few months, there have been 4 occurances where the same mail is delivered over 100 times to…
sarge
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