Tagged Questions

Free and open source mail transfer agent (MTA) that routes and delivers email

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0
votes
1answer
70 views

Postfix/spamassassin incoming mail not being filtered, but outgoing is

I have what I hope is a fairly normal home postfix setup. I fetch POP3 mail using fetchmail, which passes on to postfix via /usr/sbin/sendmail. In postfix's master.cf I added a spamassassin service, ...
0
votes
1answer
497 views

550 Recipient address rejected: User unknown (in reply to RCPT TO command) - for an external domain

In postfix, I'm unable to receive mails from the specific domain but I'm able to send mails to it. For some reason postfix thinks the domain is internal, correct me if I'm wrong? Sample from postfix ...
0
votes
1answer
78 views

Postfix: use relayhost only when direct delivery not specified

I read up on using relayhost with Postfix 2.6.6. It's possible to use different relay hosts, with different credentials, for different senders. But how do I use direct delivery with specific senders ...
0
votes
2answers
46 views

Is there a way to whitelist and address or domain in Postfix's helo_restrictions?

I'm using postfix helo_restrictions to blacklist some spam leaning domains. One of those is a service that provides email service to people who want email addresses with their domains, but don't want ...
1
vote
1answer
36 views

How postfix support multiple mail domain redirect?

I'am config the postfix server to receive inbound mail. there is need to support two domain in one server. but I found I can not make it right. /etc/mailname a.com postconf -n alias_database = ...
0
votes
1answer
114 views

setting up postfix email forwarding on ec2 when using route 53

I'm trying to make email forwards for my domain on EC2. I use route 53. I have added following two lines to /etc/postfix/main.cf virtual_alias_domains = example.com virtual_alias_maps = ...
2
votes
0answers
68 views

Postfix SASL with Dovecot and Authenticated Smarthost

I have a bit of a problem; I have configured postfix to use dovecot for SMTP AUTH, therefore I had to specify dovecot authentication in the main.cf file. The problem is, I need to also authenticate to ...
0
votes
1answer
109 views

dovecot error Unknown setting: unix_listener

I'm trying to enable postfix auth. I'm editing the this section from /etc/dovecot/conf.d/10-master.conf # Postfix smtp-auth unix_listener /var/spool/postfix/private/auth { mode = 0666 user = ...
-1
votes
2answers
687 views

“Relay access denied” when sending email via php mail in zpanel

I have installed zpanel on my centos server i am using php mail function to send signup email to my clients. it was working fine on my virtualmin server but when i moved my site to zpanel server it is ...
0
votes
1answer
56 views

Postscreen sometimes stops the mail

"The Postfix postscreen(8) server provides additional protection against mail server overload. One postscreen(8) process handles multiple inbound SMTP connections, and decides ...
0
votes
0answers
36 views

Postfix — auto blacklist senders who send to 'honeypot' email addresses [duplicate]

I'm using postfix + spamassassin (amavis) now and I'm trying to increase my hit rate, so I've been looking at the logs to try to see any patterns in email that is obvious spam but gets low scores. ...
0
votes
2answers
82 views

How to verify if an email was successfully sent by postfix?

I get asked day by day to verify if a mail was successfully sent out by our server (because client complains that he sent it to xy and his recipient never got it). Most likely this isn't our fault but ...
1
vote
2answers
245 views

Spamassassin filter systematically produces negative (ham) scores for spam messages

I have problem with lots of spam. My server setup is VPS with CentOS 6.5 and Dovecot+Postfix+Spamassassin. Here is source of one of the messages: Return-Path: <nancy_mitchell@tagbook.co.nz> ...
0
votes
1answer
32 views

PostFix Config and PHP

I'm trying use the PHP mail function to send email on a server (the server is only suppose to send emails and not receive any emails) The PHP mail function returns that email has been sent, however ...
-5
votes
1answer
67 views

how to not bounce, postfix to not return “not found” when the address does not exist [closed]

I want to enable a second MX with the same domain, with some users on different MX. how is this to be done? how do I tell postfix to not bounce, postfix to not return "not found" when the address does ...
0
votes
0answers
32 views

How to make postfix to deliver via a command

I have setup a postfix server that will receive several emails and deliver them to OpenERP. It's currently working, but I would like to improve the overall schema so that postfix delivers (i.e ...
0
votes
1answer
72 views

Postfix Maildir to MySQL migration

I'm currently running postfix on a CentOS 6.5 box.The mail is currently stored in the users Maildir directory. Users utilize roundcube as a web mail client. This is a low priority machine and there ...
1
vote
1answer
204 views

Postfix Sender Verification 550

I have Postfix and Dovecot installed on a VPS, and configured to forward mail on to a Gmail address, and accept smtp requests from gmail so that it can send on that domains behalf. TLS and ...
0
votes
2answers
255 views

postfix SASL authentication failed - Internal authentication error

I've recently had to change SMTP relays from Cablevision to Verizon. Verizon blocks port 25 but they will accept SSL via port 465 (per this). I've used this and this to have stunnnel forward ...
2
votes
1answer
30 views

Postifx header_checks cut off last part of subject

One of our main applications is sending out emails that have encoded subjects with base64 but that application is sending wrong characters at the end. I am looking at Header_checks with subject ...
-7
votes
2answers
81 views

Why use Dovecot AND Postfix/Sendmail? [closed]

Forgive me if I'm missing something obvious here..... but why do most linux server distros come with both Dovecot AND Postfix (or sendmail)? As far as I'm aware all three of them are Mail Transfer ...
1
vote
1answer
42 views

Postfix from address changed, mail being bounced

I have an Apache server which has been happily sending emails for the past few years - earlier this week the from address on all emails sent by postifx has changed and, as a result, 99% of messages ...
0
votes
1answer
668 views

Delivery temporarily suspended: Host or domain name not found

I have two independent domain ad.vz and ad2.vz, there is gateway between them. There are 3 postfix servers: mailad.ad.vz - postfix server in first domain mailsh - gateway with postfix and two ...
3
votes
1answer
2k views

Postfix: Recipient address rejected: User unknown in local recipient table, even though recipient domain is an external domain

In my company infrastructure, I have an internal mail server with postfix whose name is, say, srv-internal.central.mydomain.tld with internal IP 10.10.128.200. For exchanging mails with the Net, it ...
0
votes
1answer
34 views

Usefull to enter the same RBL's to Postfix and to spamassasin?

Does it make sense to enter the same RBL's in the postfix config under smtpd_recipient_restrictions and also in spamassasin? Would one not be enough? Thanks!
-1
votes
1answer
91 views

postfix not going to address on same domain with gmail

I am using postfix and gmail small business apps It seems to be working great for sending email to external domains, but does not work when trying to send to email with same domain So for example ...
-1
votes
1answer
118 views

Postfix - No greeting on telnet command

I'm trying to install Postfix with Dovecot and MySQL on CentOS 5. I'm new to this and I'm struggling on this more than 2 weeks. I followed this instruction ...
-1
votes
1answer
162 views

Emails delivered to Microsoft/Outlook successfully, but do not arrive in inbox/spam folders

Struggling with this for awhile. Have searched everywhere, read every post/thread I can find and have a thread started on Microsoft's "Answers" site, but the replies there are so slow. I am running ...
0
votes
1answer
36 views

Postfix configuration;

I cofigure a postfix/dovecot. I'm using default dovecot certificate for testing. but when i try to restart service integrity fail. But I'm not sure where is the problem. I followed DigitalOcean guide. ...
0
votes
0answers
96 views

Postfix refuses to send mail to some recipients

I got a third-party application running on localhost trying to send mails with postfix via smtp on the same machine. The problem is that postfix seems to refuse mails to some recipients: Content of ...
-1
votes
2answers
147 views

Read mail from Postfix using shell script [closed]

I would like to be able to read incoming mail from a Postfix MTA using a shell script. The shell script should be able to retrieve the mail headers, subject, body, attachments, etc., then mark the ...
-2
votes
1answer
94 views

How can I configure myhostname to work with postfix and Ubuntu 14.04 on Azure VM

My hostname file reads as this. virtual-machine-set hostname -f virtual-machine-set /etc/hosts reads like this 127.0.0.1 localhost 191.xxx.xx.xx myazuredomain.cloudapp.net #The following ...
0
votes
1answer
73 views

What are my options for sending email from my VPS with a Blacklisted IP [duplicate]

I have postfix and dovecot running on debian 7, I can send mail fine, but it keeps going to my spam folder when sent to google accounts. Another user who doesn't use gmail said it was delivered to his ...
0
votes
1answer
53 views

Using Postfix with an external mail filtering service?

The current Postfix (2.9) configuration is pretty straightforward: MX record points to the server running Postfix, Postfix delivers mail to the user's maildir. Users get their mail over IMAP via ...
0
votes
2answers
300 views

Postfix (virtual users) + dovecot + sieve: envelop does not contain original recipient

I have set up my email server following the ISPMail tutorial with virtual users in postfix + dovecot + sieve. My problem is: the envelop "variable" in sieve does not contain the original recipient. ...
0
votes
1answer
68 views

Postfix intermittent lookup failures

i have intermittent lookup error on my postfix/mysql/dovecot/debian when looking to virtual aliases ... it happens on 10% of outgoing emails Revelant log of a failed request : Aug 28 12:17:43 ...
1
vote
1answer
119 views

Postfix Splitting Domain to Separate Mailstores using LDAP

I'm investigating a new mail setup to replace Exchange in our organization using Cyrus-IMAP, Postfix and Perdition IMAP proxy server. I'm running into issues dealing with sending emails to different ...
0
votes
2answers
248 views

Using multiple “myhostname” in postfix

Does postfix allow to dynamically change "myhostname" ? I rtfmed a lot but did not found anything qualitative. My installation is a postfix multiple domain, multiple ip (tweaked in master.cf) and ...
3
votes
1answer
114 views

Need help grepping postfix log

I'm trying to search for an unknown string (Message ID) in a log based on a known string (recipient address), and then grep the unknown string to output the entire relevant log information. I'm able ...
0
votes
1answer
203 views

Postfix, Amavis & outgoing mails: How to notify the sender

I had problems with outgoing spam emails from compromised email accounts sending spam mails from my server and landing on blacklists. So I followed the guidelines for setting up postfix with amavis: ...
1
vote
1answer
63 views

Cannot send email to info@ or support@

I am trying to send email from my gmail account to a couple user accounts I have on my new Centos server. The email is setup correctly and I can send receive from accounts ok except info and support. ...
-1
votes
1answer
30 views

Postfix not delivering from external senders and not logging anything

Some semi-recent upgrades must have broken my postfix+dovecot configuration, but I'm having problems finding out what the cause is. My domain is simendsjo.me with the MX record mail.simendsjo.me. I ...
0
votes
1answer
158 views

Postfix: change sender in queued messages

Following a complete re-installation we got a problem with the configuration: the sender address was wrong and some recipients (mail servers) rejected them. So there is a bunch of mails stuck in the ...
2
votes
1answer
87 views

Does postfix reject spoofed senders?

Is there a reliable way to reject incoming mails with a spoofed e-mail address? What kind of checks does postfix run normally on incoming mails? does postfix check the reverse dns by default? does ...
-1
votes
1answer
47 views

dovecot-lmtp: No such file or directory)

I have a problem w/ dovecot [private/dovecot-lmtp]: No such file or directory) Idea?
0
votes
1answer
283 views

Postfix : error: unsupported dictionary type: mysql

I've a problem w/ postfix problem: # tail -f /var/log/mail.err Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20 17:57:50 myserver postfix/smtpd[8243]: ...
-1
votes
2answers
222 views

GMail detecting mail as spam [duplicate]

I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is ...
0
votes
1answer
107 views

Fetch new Mails (Also from Subfolders) from another IMAP server as new Mail in Postfix

everyone. I have installed Postfix on a server with Aliases and Domains from a MySQL Database. It is configured to forward some adresses to other Mail Accounts and also delivers some mails in local ...
0
votes
2answers
158 views

Dovecot pop3: Disconnected for inactivity

We've application fetching messages from mailbox inbox. Once, application stoppped fetching, then we'd the following in maillog: Aug 15 11:03:47 server_name postfix/virtual[16743]: 731E258003: ...
1
vote
1answer
67 views

Unable to lock error message in SMTP Server

I've the following error message appeared 3 continuous for the same mailbox > (delivery failed to mailbox > /var/spool/postfix/vhosts/<user>/mail/inbox: > > unable to lock for ...