What's the difference between postfix/smtp and postfix/smtpd
postfix/smtpd - This is typically the SMTP daemon process for handling incoming mail and routing to the appropriate internal location. postfix/smtp - This is typically the SMTP daemon process …
Enabling TLS/SSL on Postfix - Server Fault
2020年5月16日 · your current smtpd_use_tls is replaced by smtpd_tls_security_level in Postfix ≥ 2.3. Use: smtpd_tls_security_level=may with Postfix ≥ 3.4 the preferred way to configure …
How to set the username and password for smtpd in Postfix?
2015年3月29日 · Apparently such a solution does not exist, so the problem of specifying a set of usernames and passwords to the Postfix SMTPD configuration becomes a problem of getting …
ssl - Postfix TLS encryption: smtp_* vs smptd_* - Server Fault
smtpd_tls_cert_file = smtpd_tls_key_file = smtpd_* And. smtp_tls_cert_file = smtp_tls_key_file = smtp_* What is their difference. I know of three different TLS cases: User authenticates on …
Forcing encryption for outgoing SMTP with Postfix - Server Fault
2018年6月27日 · If you use public server, you cannot enforce email encryption on port 25/tcp. Better solution is disable mail delivery on by postfix smtpd daemon port 25/tcp from your …
smtpd - postfix welcome message smtpd_banner - Server Fault
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Restricting outgoing mail to specific domains in From Address …
2015年2月3日 · I can confirm that what you see in your postfix was intended behavior of reject_unlisted_sender.This documentation page clearly states 4 conditions when postfix …
How to enable TLS with port 587 with Secure ... - Server Fault
2020年12月17日 · smtpd_tls_auth_only = yes Then you have the other needed options: smtpd_tls_security_level = may smtp_sasl_auth_enable = yes smtp_use_tls = yes To use …
Restrict sender and recipient with postfix - Server Fault
Apr 4 13:41:42 mail-server postfix/smtpd[22931]: NOQUEUE: reject: RCPT from mail-vk0-f52.google.com[209.85.213.52]: 550 5.1.1 <[email protected]>: Recipient address rejected: …
smtpd - Postfix refuses to send mail to some recipients - Server Fault
2014年9月2日 · I got a third-party application running on localhost trying to send mails with postfix via smtp on the same machine. The problem is that postfix seems to refuse mails to some …