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71GA
  • Member for 6 years, 7 months
  • Last seen more than a month ago
11 votes
4 answers
19k views

SPF record -- why do we use `+a` alongside `+mx`?

9 votes
1 answer
11k views

opendkim-testkey: key not secure

2 votes
1 answer
702 views

OpenDKIM's UNIX socket and permissions for "others"

1 vote
0 answers
1k views

Postfix smtp vs smtpd -o options

0 votes
1 answer
107 views

Using "postfix" user for "dovecot"

0 votes
0 answers
2k views

Translating a firewall-cmd command to iptables command

0 votes
1 answer
276 views

DNSSEC - DNS/domain providers that enable DANE DNS records [closed]

0 votes
0 answers
330 views

Demanding SASL authentication on port 25 rejects all of my incomming email

0 votes
1 answer
782 views

DKIM - key pair generation recommendations

0 votes
0 answers
149 views

Dovecot - login_greeting new line character

0 votes
1 answer
608 views

Port 25 "relay send" and TLS

0 votes
1 answer
593 views

Postfix -- mandatory TLS encryption not working for port 25 "relay sending"

-2 votes
1 answer
339 views

Email "submission" and "relay" event

-3 votes
1 answer
387 views

E-mail transmission example