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1`banner`: `<string>` ('default =' `ESMTP Proxmox`)::
2
3ESMTP banner.
4
5`conn_count_limit`: `<integer> (0 - N)` ('default =' `50`)::
6
7How many simultaneous connections any client is allowed to make to this service. To disable this feature, specify a limit of 0.
8
9`conn_rate_limit`: `<integer> (0 - N)` ('default =' `0`)::
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11The 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.
12
13`dnsbl_sites`: `<string>` ::
14
15Optional list of DNS white/blacklist domains (see postscreen_dnsbl_sites parameter).
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17`dnsbl_threshold`: `<integer> (0 - N)` ('default =' `1`)::
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19The inclusive lower bound for blocking a remote SMTP client, based on its combined DNSBL score (see postscreen_dnsbl_threshold parameter).
20
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21`dwarning`: `<integer> (0 - N)` ('default =' `4`)::
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23SMTP delay warning time (in hours).
24
25`greylist`: `<boolean>` ('default =' `1`)::
26
27Use Greylisting.
28
29`helotests`: `<boolean>` ('default =' `0`)::
30
31Use SMTP HELO tests.
32
33`hide_received`: `<boolean>` ('default =' `0`)::
34
35Hide received header in outgoing mails.
36
37`maxsize`: `<integer> (1024 - N)` ('default =' `10485760`)::
38
39Maximum email size. Larger mails are rejected.
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41`message_rate_limit`: `<integer> (0 - N)` ('default =' `0`)::
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43The 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.
44
45`rejectunknown`: `<boolean>` ('default =' `0`)::
46
47Reject unknown clients.
48
49`rejectunknownsender`: `<boolean>` ('default =' `0`)::
50
51Reject unknown senders.
52
53`spf`: `<boolean>` ('default =' `1`)::
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55Use Sender Policy Framework.
56
57`verifyreceivers`: `<450 | 550>` ::
58
59Enable receiver verification. The value spefifies the numerical reply code when the Postfix SMTP server rejects a recipient address.
60