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I'm attempting to forward transactional emails to Postmark's SMTP service if the email has a `X-PM-Message-Stream` header set. I've set up a zone called `transactional` with `routingHeaders` like so:…
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I always get this message back from the server when I open a PR. It started to happen mid last year.
```
This message was created automatically by mail delivery software.
A message that you sen…
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### Do you want to request a *feature* or report a *bug*?
Feature
### What did you expect to see?
Support SMTP-STARTTLS proxying. Traefik would accept connections on port 25, handle encryptio…
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"JMAP is intended to be a new standard for email clients to connect to mail stores. It therefore intends to primarily replace IMAP + SMTP submission. It is also designed to be more generic such that i…
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Hello, for legal compliance all smtp logs must contain a unique string from the initial smtp connect to the end of all deliveries. This is what postfix does for example with the session-id and also do…
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I just installed Sendmail 8.17.2 and postfix-mta-sts-resolver . I want to verity my setup, by sending to a site, which announces MTA-STS support but does not offer STARTTLS. The only site I found wa…
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```
ARC-Authentication-Results: i=1; mx.google.com;
dkim=pass header.i=@roocket.ir header.s=ml header.b=hl8HLq7F;
dkim=pass header.i=@mlsend.com header.s=ml header.b=m4zllZXe;
…
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# Issue
When sndmail command is called the additional TCP package with "\r\n.\r\n" contents is added after the DATA conversation is over.
# TCP packages from WireShark
The message send during…
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1. only _mta-sts record is created for box.domain - no _smtp._tls record
2. no _mta-sts is created for domain itself
3. no _smtp._tls record is created for domain itself
5. no additional MX entri…
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"JMAP is intended to be a new standard for email clients to connect to mail stores. It therefore intends to primarily replace IMAP + SMTP submission. It is also designed to be more generic such that i…