[MacPorts] #49249: Error: /opt/local/bin/port: port selfupdate failed: Failed to verify signature for MacPorts source!

[MacPorts]

#49249: Error: /opt/local/bin/port: port selfupdate failed: Failed to verify
signature for MacPorts source!
-----------------------------+--------------------------------
 Reporter:  fabian.glaser@…  |      Owner:  macports-tickets@…
     Type:  update           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.3.4
 Keywords:                   |       Port:
-----------------------------+--------------------------------
 Hi

 I installed el capitan, and reinstalled xcode and macports twice but I
 still get the following error:

 /Users/admin
 ==> port -v selfupdate
 --->  Updating MacPorts base sources using rsync
 receiving file list ... done

 sent 36 bytes  received 69 bytes  42.00 bytes/sec
 total size is 27013120  speedup is 257267.81
 receiving file list ... done

 sent 36 bytes  received 76 bytes  44.80 bytes/sec
 total size is 512  speedup is 4.57
 Error: Failed to verify signature for MacPorts source!
 To report a bug, follow the instructions in the guide:
     http://guide.macports.org/#project.tickets
 Error: /opt/local/bin/port: port selfupdate failed: Failed to verify
 signature for MacPorts source!

 /Users/admin
 ==>

 Could you please guide me how to solve it?

 Thanks a lot,

 Fabian

-- 
Ticket URL: <https://trac.macports.org/ticket/49249>
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