MAIL FROM signature daemon
- arpa2/fromsign.c builds to arpa2fromsign
- see below for transcripts that complete the signature
- sigflags H for char 0, bit 0/1/2 setup expdate, remote user, remote domain
- see http://a2id.arpa2.org/sigflags.html
- note the second re-signs with the same flags
- there can be problems delivering these weird addresses
220 axe-smtp.example.com ESPTM Axe SMTP EHLO example.com 250 axe-smtp.example.com MAIL FROM:john+H+@example.com 250 Ok RCPT TO:mary@example.net 450 4.1.8 john+H4QD5UBGFNXJTRIYEZPFPENOUSWXKJ57XBHX5SWHE73QUEURTZNYKKRFA4+@example.com: Sender address rejected: Malformed DNS server reply
220 axe-smtp.example.com ESPTM Axe SMTP EHLO example.com 250 axe-smtp.example.com MAIL FROM:john+H4QD5UBGFNXJTRIYEZPFPENOUSWXKJ57XBHX5SWHE73QUEURTZNYKKRFA4+@example.com 250 Ok RCPT TO:mary@example.net 450 4.1.8 john+HZRGBPX3N43EAHERRT7Y66JNQAXEPS2B5ZSWEECD7G6NHVKGITVFC5TWJ2+@example.com: Sender address rejected: Malformed DNS server reply