email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

learn more… | top users | synonyms

1
vote
1answer
149 views

SMTPD restrictions

i'm looking for a bit of advice on Postfix restrictions configuration. I'm looking for a balanced configuration which properly rejects spam and unauthorized access retries. Lately, i've been reading ...
0
votes
1answer
2k views

ExRecipNotFound; not found after disabling / recreating mailbox in exchange - x500 not working

We had an issue with some mail boxes and I have had to recreate some user mail boxes (not a Move Request). After doing this, people can't send to the new mail boxes. I have read about the x500 record ...
0
votes
2answers
3k views

Postfix: bouncing mail (reverse DNS issue)

I have a problem with Postfix. I get this with some email address: to=<mail@domain.tld>, relay=mail.domain.tld[IP_ADDRESS]:25, delay=3, delays=0/0/2.5/0.52, dsn=5.7.1, status=bounced (host ...
1
vote
2answers
283 views

Bounced mails not reaching postfix

I have postfix and dovecot installed on a Centos 6.4 production (www.bw.co.uk) machine. The intent is to send all system and transactional messages and collect bounces. The email id's that resulted in ...
4
votes
1answer
76 views

Where is the email bounce sent? To the @domain or to the IP that sent it?

When I send an email from noreply@mysite.com to user@yahoo.com and I use that VERP bounce format like bounce+user=yahoo.com@mysite.com Is this bounce back sent to the mail server in DNS records of ...
2
votes
1answer
6k views

telnet unable to connect to remote host

I have installed postfix and devcot on one of my live servers to send bulk mail (system messages on sign-up, wrong passwords etc). I use the php_imap function to check bounces and flag those email ...
0
votes
1answer
830 views

Contact sender via Postfix Mailer-Daemon on “Bad recipient address syntax”

I would like Postfix to generate and contact via Mailer-Daemon the sender recipient when the following case occurs Bad recipient address syntax. I've been reading through Postfix docs but haven't ...
0
votes
1answer
427 views

Postfix: Reject reject_unknown_recipient_domain and receive instant email notification

when an email is sent to a non existing domain or recipient, i would like the sender to receive an immediate email from mailer-daemon informing the recipient does not exists. Actually, what happens ...
2
votes
0answers
20 views

“Undelivered Mail Returned to Sender” messages from Google [duplicate]

Some while back I set up a postfix server. I set the MX record for my domain name and sent a test message to one of my addresses on gmail.com. However, as the MX record change was not propagated by ...
1
vote
2answers
350 views

Postfix mailqueue “Mailbox Full”

I have a mail server with postfix, and I want to differenciate the bouncing rules. maximal_queue_lifetime = 12h bounce_queue_lifetime = 12h Ok, its 12h (maybe it should be more). But I want to ...
1
vote
1answer
157 views

SMTP as SmartHost for SendMail

My general task is following: We have workable application that sends mails to the users (that are registered in this application on some actions); Mails are sending using sendmail tool; In order to ...
1
vote
2answers
704 views

Kept getting “Returned Email” but I didn't send out anything

This might have something to do with a server that I have set the root user with a forward rule to send me emails. But I am not sure and I can't figure out why... Is it possible that my server has ...
-1
votes
3answers
54 views

Can I use MX Record Configuration to send one account's email to one server and a second account's email to a different server? [closed]

For example, let's say my MX Record(s) specify: 0 server1 mydomainexample.com 1 server2 mydomainexample.com Now let's say: me@mydomainexample.com is an account on server1 and ...
-1
votes
1answer
830 views

hotmail doesn't accept my emails

I have installed and configure postfix as a mail server in ubuntu 12.04. I can send emails to gmail with no problem but I can't send them to hotmail when i enter in putty dig @ns1glr.name.com ...
2
votes
1answer
424 views

Postfix: Resend 'hard' bounces

I had a number of messages get rejected by the recipient's mail server with a status 550 code due to an IP address blacklist. I've sorted the problem that caused the host to become blacklisted, and ...
0
votes
1answer
514 views

Postfix: mail delivered locally, but I wanted relayhost delivery

I work at example.net :-) and my team's server is named tardis.example.net . Any mail sent to us must first go through our company's internal relay hosts. Although the messages are delivered to our ...
1
vote
1answer
28 views

Postfix doesn't accept pipe

I've tried to configure postfix to execute the script /tmp/test.sh each time the user "bounce" receives a mail. My /etc/postfix/aliases: ... bounce: "| /tmp/test.sh" ... If I send an mail to that ...
4
votes
1answer
217 views

Silently drop OUTGOING mails to us.er.n.a.me@gmail.com (more than 3 dots in username part)

With postfix-2.6.6-2.2.el6_1.x86_64 on CentOS 6.4 is there please a way to inspect OUTGOING mails and silently drop them (i.e. do not send them) if the recipient looks like us.er.n.a.me@gmail.com ...
0
votes
1answer
179 views

can postfix use a backup relay in response to a 5xx error code [closed]

I'm trying to configure my postfix (2.9.6) mail server to initially try deliver messages directly to the recipient MX, then fall back to relaying through my ISP's mail server if it recieves a 5xx ...
0
votes
1answer
3k views

Postfix with relayhost - relay access denied for bounces

I have set up a Postfix Mailserver, outgoing mail is being sent through a smarthost/relayhost which requires authentification. That works great, internal clients can send to foreign recipients though ...
0
votes
0answers
81 views

Issue with Setting up Amazon SES using VPS/Ec2

So, I currently have a VPS and a EC2 instance. The VPS is a completely separate company that hosts my domain, email, etc. But, I recently pointed these to my Ec2 instance as: MX Record: The ...
1
vote
2answers
2k views

User is getting a RESOLVER.RST.AuthRequired e-mail bounce from a customer

I've been looking all over the Internet for a solution to this issue but it seems none of the solutions fit my symptoms. I am unable to get any e-mail to a customer. His server keeps responding with ...
1
vote
1answer
2k views

Does Exchange keep a record of the mail it's bounced?

We've just migrated to Office 365 (from Google Apps, BTW) and due to some oversights (groups) have bounced an unknown amount of customer mail. Does Exchange log bounced mail, and better yet, can I ...
0
votes
1answer
7k views

Remote host said: 550 5.7.1 message content rejected

A sender from France is trying to send an email to us. Unfortunately his email is being rejected with the message below. I suspect there are some weird characters in the mail content but how can I ...
2
votes
2answers
188 views

MTA handling of too large emails

If an MTA receives an email that exceeds the message size limit, which bevaviour is preferred? What is the default for common mail servers? Reject the email during the SMTP session. The delivering ...
0
votes
1answer
4k views

postfix relaying all mail through office365 problems

This is a rather long question with a long list of things tried and travails so please bear with me. The summary is this. I am able to relay email from ubuntu through office365 using postfix; the ...
1
vote
4answers
3k views

Postfix mails bouncing for no reason

I have a Postfix server setup which works fine most of the time but between 100 - 200 mails gets deferred every day with the following errors: status=deferred (lost connection with ...
0
votes
1answer
193 views

Postfix: don't bounce for remote rejects

I'm having a problem with sending bounces to spammers when a remote "trusted" smtp server rejects a mail. My server manages mail for company1.com that has a virtual alias support@company1.com that ...
0
votes
0answers
46 views

List the bounce back email ids - .net

I'm sending a mail to bunch of email IDs. Once the emails are sent, I need to display the notification - saying how many successful mails were sent and how many to which mail IDs the email was bounced ...
0
votes
1answer
344 views

Postfix regex for smtpd_command_filter

Some of my users are using Gmail to send mail to our domain (The mail server for which is hosted on a CentOS 5 machine with postfix). Sometimes, but not all the time, when they do, they get a ...
2
votes
0answers
341 views

Exchange 2010 “Cannot send on behalf of user”

I am getting a bounceback when sending an email from another account, the error is "You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending ...
0
votes
1answer
339 views

any way in exim to automatically delete failed messages?

Is there any way to configure my exim to delete messages automatically that bounce or have errors instead of them getting frozen and accumulating in the queue? i am getting lots of massage in queue ...
-3
votes
1answer
191 views

How to deal with Exim ***Frozen***?

When i checked mail queue, i have found lots-of Frozen mail entries in exim mail queue, will it effect my mail server to deliver mail? Is it possible mail delayed because of frozen ? Entries in queue ...
-1
votes
1answer
121 views

How to save addresses from bounced messages in Exim 4?

I need to save all bounces in a database, so I can query it from my application and not mail to any address that bounced more than X times. If I recall correctly, Postfix allows to pipe messages to ...
0
votes
2answers
903 views

How do I specify what kinds of bounces PowerMTA delivers via local DSN?

I've recently been charged with overseeing the PMTA server for a small marketing company. One of the issues they have is an abundance of 'soft bounce' emails through local DSN transactions. Is there ...
0
votes
1answer
226 views

Spam sent from fake email accounts on my domain [duplicate]

One of my clients is getting thousands of "Delivery Status Notification (Failure)" emails per day and it's replied to random email accounts that don't exist on the domain. The content of the emails ...
1
vote
2answers
54 views

Should I change the Envelope From for Sendmail

Currently the Envelope from is apache_user@mydomain.com. All emails sent from this website use the From address of contact@mydomain.com. Should I change the Envelope send address to match the From ...
0
votes
1answer
138 views

Configuring Sendmail to report successful deliveries

I now have Sendmail report the fail deliveries by bouncing back to a bounce mailbox. E.g. failure to reach joe@example.com would bounce back to bounce+joe=example.com@mysite.com. I was wondering if ...
0
votes
1answer
426 views

Our outgoing emails from a shared hosting provider (Bluehost) are returned because the server is listed as SPAM SERVERS

I am getting very frustrated with this web hosting provider -- Bluehost.com. We have several small business sites hosted with them. We also use email accounts provided by the Bluehost for our outgoing ...
0
votes
1answer
1k views

exim is not accepting external connections

Update: It's definitely my ISP blocking port 25. I told Exim to listen on a non-standard port, and then checked from a remote computer to that port, and it went through just fine. So, I guess I have ...
0
votes
1answer
261 views

How to stop get returned email from email address that never sent [closed]

I am receiving tons of returned emails that I had never sent before. Is there any way to stop it? It seems that my email auto sent to some email address that block my email address.Thanks in advance.
0
votes
2answers
572 views

postfix bounce configuration

What I have is: Windows server generating emails with own app and sending them to relay server (2) - this works fine Relay server that sends emails received from (1) - CentOS - working fine What I ...
0
votes
1answer
555 views

After changing SMTP port from 25 to 587 I can send, but now I don't receive emails

I configured Postfix, after a time I discovered I am blocked from sending emails because my network is on a blacklist (it's a dynamic IP). So, sometimes Outlook does not connect to send (still gets ...
0
votes
1answer
4k views

Gmail is blocking email from my application server

I'm getting the following in my mail logs on my app server: 550-5.7.1 [67.23.15.78] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use ...
10
votes
2answers
2k views

How did spammer spoof emails with my google apps domain (it even has DKIM!)

I have been getting a lot of bounce-backs lately. I thought my google apps account has been compromised, but there is no activity on my apps account, and there is certainly no malicious user that I ...
0
votes
1answer
3k views

Email Bounces: Sender address rejected: Domain not found

I'm getting the error below when sending mail via smtp through google apps mail. Can anyone see why I get this error? As far as I can tell my domain exists! THIS IS A WARNING MESSAGE ONLY. ...
0
votes
3answers
680 views

Postfix won't reject undeliverable messages

I'm not shure about the wording. Maybe bouncing is the right word. Problem is, that a local user did send a message to a non-existing domain. Now I expected that postfix will send the message back to ...
0
votes
2answers
880 views

Dovecot Not Receiving Mail From Outside Servers

After a long and hard battle, I was able to configure postfix to send mail to outside domains. Now the problem is receiving them from outside domains. I use the pop3 protocol with dovecot, and it ...
-1
votes
1answer
48 views

e-mails of all the accounts were blocked due to spamming activity of a single account in shared hosting [closed]

I have around 25 websites hosted on shared hosting environment. Somebody, who has also hosted a website on the same hosting server started spamming. Due to this spamming activity the shared IP got ...
2
votes
3answers
227 views

Email won't send

2013-01-18 10:33:04 cwd=/home/USER/public_html/clients 3 args: /usr/sbin/sendmail -t -i 2013-01-18 10:33:04 1TwDwG-00023y-Ks <= USER@host.mydomain.com U=USER P=local S=3993 ...