Windows Diary

How Can I Troubleshoot Cpanel Imapd-ssl I / O Errors?

Posted on by Brandon Mann

 

You may see an error code indicating that the cpanel imapd-ssl authentication error I / O error is displayed. As it turns out, there are several steps you can take to fix this problem, and we’ll get back to that shortly.

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    I wrote a system HOWTO for my home network and I get this kind of “imapd-ssl: authentication failed: I / O error” in some mail.err files that I try to log every time. I have tried. I checked this forum for a new website, but nothing I saw helped.

    I’ve double-checked everything that I think was causing this, but still don’t get it.

    26. 19:38:17 xxx imapd-ssl: LOGIN user = xxx, failed, ip = [:: ffff: 127.0.0.1]

    as of September 30 19:38:17 xxx imapd-ssl: Authentication failed: I / O error

    2 Replies

    Please give a great answer

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    cpanel imapd-ssl authentication error input/output error

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    2 Replies

    I’ve been following the home mail system HOWTO and the network is clearly becoming “imapd-ssl: authentication error: input / output error”. I tried searching for n on the internet in this forum, but nothing I saw helped.

    I’ve defined twice and three times everything that I thought might cause the above, but I lost anyway.

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    Syslog messages 

     : May 28 23:30:08 myname dovecot: master: Warning: killed by signal 15 (by pid = 3577 uid = 0 code = kill)May 27 23:30:08 myname dovecot: master: V2 dovecot.0.9 started (kernel dumps disabled)May 28 23:40:05 myname dovecot: imap-login: logged out (authentication failed, only 1 attempt): user = <__ cpanel__service__auth__imap__sbcYP0VEaqLfp_2p_7bLw9yUg3R9D0gFSk2MZ85D_xxsMZ85D_May 27 23:40:05 myname pigeon house: Master: Warning: killed by signal 15 (from pid = 4849 uid = 0 code = kill)May 30th My name is 23:40:06 Dovecote: Master: Dovecote v2.0 Starts incorrectly (kernel dumps disabled)May 28, 23:45:06 myname dovecot: imap-login: logged out (authentication failed, attempt # 1): user = <__ cpanel__service__auth__imap__vngDillyix3KKEwgojT_snatSn0lKald60MtnRD5gO47sH ...>, method = 27 PLAIN 127.0 127.1 , detachable lip .27.0.0May 30 23:45:06 myname pigeon house: Master: Warning: killed by signal 25 (by pid = 5351 uid = 0 code = kill)May 20 23:45:06 myname dovecot: master: Dovecot v2.0.9 starts it (kernel disabled)May 28, 11:50:07 PM myname dovecot: imap-login: logged out (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__eHuDOfeIgSse0l7Wy9J8zHkmtZzmfZnz5pw7ChCt1WYk9A ... 1 ,. Method = 27May 28 23:50:07 myname master: loft: Warning: killed by signal 16 (pid = 5787 uid = 0 code = kill)May 28 11:50:08 PM myname master: dovecot: Dovecot v2.0.9 runs together (kernel dump disabled)May 29, 00:00:05 myname dovecot: imap-login: Separately (authentication errortifications, attempts): 1 user = <__ cpanel__service__auth__imap__0mvBwIaeo40xFlmpIP__CV3IvVGF6vt9lylvbpY2wN2GH4 ... 1 ,. = 1, lip method = 27May 29 00:00:05 myname pigeon house: Master: Warning: killed by signal (17 pid = 6717 uid = 0 code = kill)May 29, 00:00:05 myname dovecot: master: Dovecot v2.0.9 launched (basic inserts disabled)May 29, 00:05:06 myname imap-login: dovecot: Logout (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__Hlmx6qLvLFGfYL3Hs66izuqB_UVP08UHw0VpN, PLAIN = 127.0.1 = 127.0.1May 29, 00:05:06 myname Taubenschlag: Warning: master: killed by signal 15 (by pid = 7347 uid = 0 code = kill)May 29, 00:05:06 myname dovecot: Become an expert in: Dovecot v2.0.9 launched (Core Dumps 26 disabled)00:10:07 myname dovecot: imap-login: Disabled (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__Sf4siZq4v_njL93w7cYa5RYx0YC9TvvlSwWZiN5vwuIlBZ = 1 method. = PLA, .1,May 29, 00:10:07 myname pigeonnier: Master: Killed warning: with signal 15 (by pid = 7731 uid = 0 code = kill)May 29, 00:10:08 myname dovecot: master: Dovecot v2.0.9 launched (kernel dumps disabled)May 26 00:20:06 my dovecote name is: imap-login: (no authentication can be disabled, 1 attempt): user = <__ cpanel__service__auth__imap__Qvlld0Qp7SlEs3191OfpTcl69wtchkflCbNihLUkDTmTW7AIN = .0.1 =Thirty May 00:20:06 Dovecote: myname master: Warning: killed on signal 15 (by pid = 8559 uid = 0 code = kill)May 28, 00:20:07 Dovecot: myname master: Dovecot v2.0.9 launched  (kernel dumps disabled)May 26 12:25:06 pm myname dovecot: imap-login: Separate error (SSO attempts): user = <__ cpanel__service__auth__imap__Q5MKSpwPRCTW5LUabUgFYAnDyH6pOeRfZhpWOTKzxXX8GX ... 1 ,. = 27.0 method = 1 ,. = 1,May 30, 00:25:06 myname pigeonnier: Master: Warning: Killed composed of signal 15 (by pid = 8957 uid = 0 code = kill)00:25:07 May twenty-nine my name is dovecot: master: Dovecot v2.0.9 configured (kernel dumps disabled)May 29, 00:30:07 Dovecote: my imap login is disabled (authentication failed, various attempts): user = <__ cpanel__service__auth__imap__BSj6xnL8cKENCM6dUuZrl2ELSJj50DPazlg7v9nJSa43Wk ...>, method = 1, PLAIN.0, method = 1, PLAIN.0until May 29 00:30:07 myname Taubenschlag: master: Warning: killed with warning 15 (by uid = 0 pid = 9493 code = kill)May 29 12:30:07 myname dovecot: master: Dovecot v2.0.9 runs together (kernel dump disabled)May 29, 00:40:05 Pigeonnier: my name imap-login: disabled (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__m3RLB0sRJBcQ6XQr9j6ktMgHuR_ACZP2sC8QhRstCu_iplglde = 0.01May 29 00:40:05 myname pigeon house: Master: Warning: signal killed twenty (by pid = 10401 uid = 0 code = kill)May 29, 00:40:06 myname dovecot: master: Dovecot v2.0. From 9 hoist (kernel dumps disabled)May 29 00:45:07 myname dovecot: imap-login: logged out (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__SDgVon1Qv1xMcEYgq3GvlWyMy97cFH12rs86ponCphAC3u ...>, method = 127.0.0.1 ,. TearMay 29 Myname 00:45:07 Dovecote: Master: Warning: killed by signal seventeen (from pid = 10859 uid = 0 code = kill)May 29, Myname 00:45:07 Dovecot: Master: Dovecot v2.0.9 launched (kernel sets disabled)May 29 00:55:05 myname dovecot: Imap login disabled: (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__or5BHBbv1TT8MxqySEafPMGBmb7itvKzr8RC3NS8Ldqf3e ...>, method = PLAIN.0May 29, 00:55:05 myname Taubenschlag: Warning: master: killed by signal 15 (by pid = 12434 uid = 0 code = kill)May 29, 00:55:06 myname dovecot: great: Dovecot v2.0.9 launched (kernel will be disabled)May 29, 01:00:06 myname dovecot: imap-login: (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__FQWDCpSHvyPKe4PZZwT8rbwOdsf3ZB4n7fSjuPb0kBjekLje.0 ... 27.0May 29, 01:00:06 myname Taubenschlag: master: Killed warning: with signal 15 (by pid = 12933 uid = 0 code = kill)May 29, 01:00:07 myname dovecot: master: Dovecot v2.0.9 launched (kernel dumps disabled)before May 29 01:05:06 myname dovecot: Imap login disabled: (authentication failed, 1 attempt): user = <__ cpanel__service__auth__imap__figM8IEU7FKGV2DuPSZttrSt0DZSIfkXcBTjlTKqjEFu8E ... 1 ,. = 1, lip method = 27.0.0 safeMay 26, 1:05:06 am myname master: dovecot: Warning: killed by signal 15 (by pid = 13622 uid = 0 code = kill)May 29, 01:05:07 myname master: dovecot: Dovecot v2.0.9 launched (kernel dumps disabled)May 30 01:11:57 myname Taubenschlag: imap-login: (failed to share authentication Modification, 10 attempts): user = <__ c




     
    

     
    
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