1 `banner`: `<string>` ('default =' `ESMTP Proxmox`)::
5 `before_queue_filtering`: `<boolean>` ('default =' `0`)::
7 Enable before queue filtering by pmg-smtp-filter
9 `conn_count_limit`: `<integer> (0 - N)` ('default =' `50`)::
11 How many simultaneous connections any client is allowed to make to this service. To disable this feature, specify a limit of 0.
13 `conn_rate_limit`: `<integer> (0 - N)` ('default =' `0`)::
15 The maximal number of connection attempts any client is allowed to make to this service per minute. To disable this feature, specify a limit of 0.
17 `dnsbl_sites`: `<string>` ::
19 Optional list of DNS white/blacklist domains (see postscreen_dnsbl_sites parameter).
21 `dnsbl_threshold`: `<integer> (0 - N)` ('default =' `1`)::
23 The inclusive lower bound for blocking a remote SMTP client, based on its combined DNSBL score (see postscreen_dnsbl_threshold parameter).
25 `dwarning`: `<integer> (0 - N)` ('default =' `4`)::
27 SMTP delay warning time (in hours).
29 `greylist`: `<boolean>` ('default =' `1`)::
33 `helotests`: `<boolean>` ('default =' `0`)::
37 `hide_received`: `<boolean>` ('default =' `0`)::
39 Hide received header in outgoing mails.
41 `maxsize`: `<integer> (1024 - N)` ('default =' `10485760`)::
43 Maximum email size. Larger mails are rejected.
45 `message_rate_limit`: `<integer> (0 - N)` ('default =' `0`)::
47 The maximal number of message delivery requests that any client is allowed to make to this service per minute.To disable this feature, specify a limit of 0.
49 `ndr_on_block`: `<boolean>` ('default =' `0`)::
51 Send out NDR when mail gets blocked
53 `rejectunknown`: `<boolean>` ('default =' `0`)::
55 Reject unknown clients.
57 `rejectunknownsender`: `<boolean>` ('default =' `0`)::
59 Reject unknown senders.
61 `spf`: `<boolean>` ('default =' `1`)::
63 Use Sender Policy Framework.
65 `verifyreceivers`: `<450 | 550>` ::
67 Enable receiver verification. The value spefifies the numerical reply code when the Postfix SMTP server rejects a recipient address.