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.

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2answers
191 views

Will Hotmail DELIVER to spam-friendly ISP?

I have a user who is using Hotmail to communicate with one of our suppliers. Recently, Hotmail started bouncing emails to that address (while other ISPs are working fine.) Hotmail bounce messages ...
0
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2answers
274 views

Where do my email bounces go to?

I'm bit confused, I have a cron job that sends out 12 000 + emails every sunday night, now I'm not sure where the emails that are bounce get send to, will this always be the reply address specified in ...
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1answer
1k views

What does “Maximum failsafe period has expired” mean?

On our mailing list, we have been getting the following message Maximum failsafe period has expired. What does that mean?
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2answers
194 views

Our domain is being appended onto emails addresses that are sent from our server, why?

Our app sends out many types of email notifications. On some occasions, we see that the email addresses are getting our domain appended to them. e.g. michael@gmail.com turns into ...
5
votes
3answers
3k views

Anyone have a Powershell script to look up the MX record for a domain?

I want to check to see if the email addresses in my contact management system are valid and the best way I can think to do this is to get the MX record for their domain, then open an SMTP connection ...
1
vote
2answers
677 views

Email bouncing sent from Google

I'm hoping someone here has an idea of where to look next. We have a domain we support which has email sent to it from one particular user bounce with the following message: Delivery to the ...
0
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1answer
551 views

Postfix bounces and rejects some of non existing emails for same domain

Postfix serves for my virtual domains and works fine. But for one of my domains: - it bounces mails targeted at mail@domain.tld - it rejects mails targeted at nonexisting@domain.tld problem is, ...
10
votes
3answers
2k views

Implementing Variable Envelope Return Path (VERP) using Exchange

We're looking into implementing Variable Envelope Return Path (VERP) for improved bounce processing for our application. Our current mail infrastructure is MS Exchange 2007 but are in the process ...
3
votes
5answers
2k views

Best practices for mass email platform [duplicate]

I am in the process of setting up mass email service. My question is: what are the best practices to achieve maximum deliver-ability. More precisely - what should I do/know to prevent spam filters ...
1
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1answer
303 views

How to customize email FROM header with an email from a different domain?

How can I customize the mail FROM header in our Email Marketing Application , to enable our customers to specify their OWN email ( from their domain ) . Currently the customer specify his own domain ...
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2answers
1k views

Postfix relay gives error 450 while it should be 550

we use postfix to do relaying. We get several messages like the following in /var/log/mail (slightly edited) Apr 13 13:30:29 linserver postfix/smtpd[1064]: NOQUEUE: reject: RCPT from unknown[$ip]: ...
2
votes
3answers
2k views

Do out-of-office replies get sent to the return-path header?

I always thought that the return-path header was used for bounced messages, so I have my email newsletter software setup to unsubscribe anyone whose email address replies back to the return-path email ...
0
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2answers
589 views

Is it okay to resend to hard bounced emails after X days. What is X?

If I see an email returned due to a hard bounce, after how many days is it acceptable to resend to that email address. It is possible for emails to be reactivated or for temporary outages, so it ...
4
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1answer
333 views

Indirect Postfix bounces create new user directories

I'm running Postfix on my personal server in a data centre. I am not a professional mail hoster and not a Postfix expert, it is just used for a few domains served from that server. IIRC, I mostly ...
2
votes
1answer
360 views

Is a soft SPF fail bad?

Received-SPF: softfail (google.com: domain of transitioning user@domain.com does not designate XXX.XX.XXX.XXX as permitted sender) client-ip=XXX.XX.XXX.XXX; Authentication-Results: mx.google.com; ...
2
votes
1answer
192 views

When sending emails through smtp do I need to setup DomainKeys and any kind of other email config?

When sending emails through gmails smtp (smtp.gmail.com) do I need to setup DomainKeys and any other kind of email config?
3
votes
4answers
681 views

Bounce backs from web-generated e-mails are missing

We use Google Apps to host my company's mail. On our website, we send some e-mails on behalf of our users. In those e-mails we include lines like this: Return-Path: ...
0
votes
2answers
264 views

Emails from one domain A bounce on b@example.com but send fine to c@example.com

When any account @domainA.com sends to a specific address (eg. b@domainB.com) it bounces. When they send to another address at the same account (eg. c@domainB.com) it goes through just fine. ...
0
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4answers
227 views

Certifying email for more reliable delivery

Is there any effective way to certify a domain name, an email server, an email message, etc so that it will not be bounced as spam? I've got a short, plain letter .com domain name registered ...
0
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2answers
629 views

Setup Domain Alias for Exchange 2003

We currently host email for our domain @gfreview.com on an Exchange 2003 server. We are trying to add a domain alias @i.gfreview.com. We have added the MX record for the i.gfreview.com domain to point ...
0
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4answers
504 views

What should email server do with email sent to unknown users?

When my email server receives mail sent to an unknown local user should the server send the message back to the sender or should the email just be dropped? I'm just curious what is most preferred. I ...
0
votes
1answer
107 views

E-mail: de-facto behavior of bounces and other system messages

I'm trying to understand the reality of system e-mail messages. I am currently running an outgoing MTA (Postfix) instance, and there is a couple of details I cannot manage to put my finger on. First ...
2
votes
5answers
6k views

How to test an email address, MX records updated, it works, some users get returned mail

I had a small issue with an email address recently, after a few changes of MX records with the help from my hosting company these were resolved. I have tested the email address from multiple ...
1
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2answers
545 views

Exim: convert bounced messages back to original

We have exim4 set up on Debian as a smarthost to send mail via Google's mail servers. We use Google Apps for everything else, so this made sense. Problem is, the password for the smart host account ...
1
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2answers
8k views

disabling postfix “Undelivered Mail Returned to Sender”

Is it possible to disable the postfix notification "Undelivered Mail Returned to Sender"? Since I receive too much spam with forged senders, I don't want postfix to notify these forged senders.
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3answers
418 views

Need advice on integrating mail server with a smallish social network?

I have been given a task to setup email management and delivery for a smallish social network. We're currently sending out about 1000 emails per day with help of VerticalResponse (a bulk emailing ...
0
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1answer
1k views

Mailbox Full bounce for an Exchange Distribution List

This is neat. Just got this in a shared Exchange 2003 mailbox: Your message did not reach some or all of the intended recipients. Subject: [real subject replaced] Sent: 9/16/2009 1:35 ...
1
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3answers
743 views

Can you configure a custom mail bounce message for specific addresses?

I don't know much about mail servers, but let's say I had a sales@example.com address, and that it got a lot of spam. Could I create a custom bounce message for emails sent to that address? One ...
1
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2answers
1k views

E-Mail Bounce Management

we want to improve our mailing lists by handling all the bounces we get. As I saw there are different approaches. One checks the badmail folder in IIS mailroot folder. Others check a email account ...