Kerio-tech Firewall6 Instrukcja Użytkownika Pobierz pdf (Strona 239)

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18.3 Relay SMTP server

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be used for reference in recipient’s mail client or for email classiﬁcation. This is why it is

always recommended to specify sender’s email address in WinRoute.

Connection test

Click Test to test functionality of sending of email via the speciﬁed SMTP server. WinRoute

sends a testing email message to the speciﬁed email address.

Warning

1. If SMTP is speciﬁed by a DNS name, it cannot be used until WinRoute resolves a corre-

sponding IP address (by a DNS query). The IP address of speciﬁed SMTP server cannot be

resolved warning message is displayed in the SMTP Relay tab until the IP address is not

found. If the warning is still displayed, this implies that an invalid (non-existent) DNS

name is speciﬁed or the DNS server does not respond.

If the warning on the SMTP server tab is still displayed, it means that an invalid DNS

name was speciﬁed or that an error occured in the communication (DNS server is not

responding). Therefore, we recommend you to specify SMTP server by an IP address if

possible.

2. Communication with the SMTP server must not be blocked by any rule, otherwise the

Connection to SMTP server is blocked by traﬃc rules error is reported upon clicking the

Apply button.

For detailed information about traﬃc rules, refer to chapter 7.

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