Re: postfix gateway with empty relay_recipient_maps plus VRFY
- Eero Volotinen wrote:
> Udo Rader wrote:That was extremely easy, thank you :-)
>> I know, this issue has been discussed quite often, but nevertheless I
>> am just wondering if something was possible to circumvent the missing
>> list of recipients.
>> Imagine a situation where there is a main postfix gateway used for
>> spam defence, transporting successfully passed emails to their end
>> points defined in transport_maps.
>> Without knowledge about the valid email addresses that each transport
>> endpoint supports, the main gateway will just have to accept any email
>> address for any defined transport endpoint domain.
>> Now what I am wondering if it was possible that the main gateway used
>> the SMTP "VRFY" command with the transport endpoints before actually
>> sending a email to them.
> I am using address verification callout on our mailproxy with cache. It
> works fine. See documentation at:
Udo Rader, CTO