mailcow community
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Postfix
Postfix-related? (SMTP) This!
Unable to change name of alias email address
external script sending into mailcow domain is rejected by rspamd
Issues with MX Backup delivery
Relay rule dependent on the recipient address
550 5.7.1 Session encryption is required (in reply to RCPT TO command)
DEBUG SMTP RCVD: 554 5.7.1 This message does not meet our delivery requirements
Mailcow times out on own Postfix
Mails werden abgelehnt
Received header says from localhost instead of hostname
Ext. SMTP Relay Server Anonyme IP
lost e-mails from M365
Routing of multiple domains
Transport funktioniert nicht
Mailcow stopped receiving mail
SMTP does not work with default settings
Manually specifying domain MX record for outbound mail?
Odd request - Disable all encryption
[Selfhosting]Can't send or recieve emails (Connection timed out)
Forwarded email not using relay host
Relayhost by identity
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