Added support for RFC 8314

pull/184/head
M66B 4 years ago
parent 0666eb9011
commit 6a98b75603

@ -524,7 +524,7 @@ public class EmailProvider {
provider.imap.host = records[0].name;
provider.imap.port = records[0].port;
provider.imap.starttls = false;
} catch (UnknownHostException ex) {
} catch (UnknownHostException ignored) {
// Identifies an IMAP server that MAY ... require the MUA to use the "STARTTLS" command
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_imap._tcp." + domain, "srv");
if (records.length == 0)
@ -535,15 +535,24 @@ public class EmailProvider {
}
}
if (discover == Discover.ALL || discover == Discover.SMTP) {
// Note that this covers connections both with and without Transport Layer Security (TLS)
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_submission._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.smtp.host = records[0].name;
provider.smtp.port = records[0].port;
provider.smtp.starttls = (provider.smtp.port == 587);
}
if (discover == Discover.ALL || discover == Discover.SMTP)
try {
// Note that this covers connections both with and without Transport Layer Security (TLS)
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_submission._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.smtp.host = records[0].name;
provider.smtp.port = records[0].port;
provider.smtp.starttls = (provider.smtp.port == 587);
} catch (UnknownHostException ignored) {
// https://tools.ietf.org/html/rfc8314
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_submissions._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.smtp.host = records[0].name;
provider.smtp.port = records[0].port;
provider.smtp.starttls = false;
}
provider.validate();

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