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Questions tagged [dsn]

Delivery Status Notifications (DSN), as defined by RFC 3464, can be used to notify the sender of a message of any of several conditions: failed delivery, delayed delivery, successful delivery, or the gatewaying of a message into an environment that may not support DSNs.

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postfix: how to set the correct "Content-Transfer-Encoding" for Envelope return messages

Is there a way to force postfix to add a "Content-Transfer-Encoding" line to the header of DSN ("Delivery Status Notification") messages? May be some clients / Groupware systems (like zarafa) have problems if the "Content-Transfer-Encoding" was not…
Steffen
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Sendmail DSN — remove confusing "Transcript of session follows"

Sendmail Delivery Status Notification looks like this: The original message was received at Fri, 8 Feb 2013 10:49:11 +0100 from host1.example.local [192.168.0.1] ----- The following addresses had permanent fatal errors ----- …
Tometzky
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postfix: send DSN to the "Reply-To" address

is there a way to configure the postfix so that he will sends the DSN (Delivery Status Notifications) messages to the "Reply-To" adrees and not to the "from" address. Background: The "from" address is a invalid email address (doNotReply@....) but…
Steffen
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Can sendmail DSNs be disabled?

I would like to disable/prevent SendMail from sending a notification if delivery of an email has been delayed. By default, sendmail sends this out after 4 hours. What's the best way to do this? Can I set confTO_QUEUEWARN to 0?
Mike B
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sendmail DSN user unknown

Is there any possibility to redirect / discard email of unknown users instead of sending it back to the sender with a rejection message that user is unknown? I don't want to use any milter for this purpose or any sender validation tool. Have…
User4283
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application requires an updatable query

While making programme on ASP and connecting the data to database and connecting it with DSN,the browser says that application requires an updateable query.. please help
Gaurav
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MSDE - Connection working in osql, but not DSN

This is on a VPS 64bit machine. I've installed MSDE fine. I've created a user. I can connect via OSQL osql -Uwwwcubeuser -Psecret I can run a select * from module Problem: I can't connect via a DSN: server: localhost username:…
Dave Mateer
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SMTP server not sending DSN

Is the outgoing smtp server expected to notify sender of failure in upstream transfer giving this scenario?: User A tries to send email message via his Outgoing SMTP (A-SMTP) server to recipient B. Outgoing SMTP (A-SMTP) server accepts message and…
Antonio Zunic
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Exchange 2013 reporting 5.1.1 for valid user

I've noticed that when we take down servers (including domain controller, or exchange), mail being delivered to VALID users by external servers get a 5.1.1 error as noted below. 2015-10-21.log:Oct 21 14:34:57 smtp1 sendmail[25335]: t9LFJ0tf010462:…
TSG
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