14 Zeilen
533 B
Markdown
14 Zeilen
533 B
Markdown
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# Protocol restrictions and IP access
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Denied access will be shown to the user as failed login attempts.
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## Protocol restrictions in Dovecot
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Protocol restrictions work by filtering the passdb query for IMAP and POP3 as well as reading the JSON value for %s_access where %s reflects the protocol seen by Dovecot.
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In the future we may use virtual colums in SQL to add an index on these values.
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## Protocol restrictions in Postfix
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Filtering SMTP protocol access works by using a check_sasl_map in the smtpd_recipient_restrictions.
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