March 2005 - dovecot - dovecot.org

[Dovecot] Drac and Dovecot, almost there ...
by Jon Shoberg 15 Mar '05

15 Mar '05

I have dracd and dovecot up and running and trying to get the two connected. I'm using the FC3 rpms from callimg yum install. I've downloaded the drac patch from http://dovecot.org/patches/drac.c and compiled it with both gcc -Wall -W -shared -fPIC -DHAVE_CONFIG_H -I$dovecot -I$dovecot/src/lib drac.c -o drac.so -ldrac and gcc -Wall -W -shared -fPIC -DHAVE_CONFIG_H -I$dovecot -I$dovecot/src/lib drac.c -o drac.so I get no warnings or errors on the compiling to drac.so. In the conf file I have imap_use_modules = yes imap_modules = /usr/lib/dovecot/imap However, I don't see the module being called. Is there a way to tell. The dracd database (/etc/mail/dracd.db) is not being updated via testing with the drac utilities. Thoughts? Ideas? Below is output from a strace ... I don't see /usr/lib/dovecot/imap/drac.so being opened ... execve("/usr/sbin/dovecot", ["/usr/sbin/dovecot"], [/* 20 vars */]) = 0 uname({sys="Linux", node="masra.org", ...}) = 0 brk(0) = 0x8c85000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=28209, ...}) = 0 old_mmap(NULL, 28209, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf6ff9000 close(3) = 0 open("/lib/libssl.so.4", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\226"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=213600, ...}) = 0 old_mmap(0x7c0000, 212692, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7c0000 old_mmap(0x7f1000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x31000) = 0x7f1000 close(3) = 0 open("/lib/libcrypto.so.4", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\31d\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=933408, ...}) = 0 old_mmap(0x617000, 949656, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x617000 old_mmap(0x6ea000, 73728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd2000) = 0x6ea000 old_mmap(0x6fc000, 11672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x6fc000 close(3) = 0 open("/usr/lib/libgssapi_krb5.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\214"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=82944, ...}) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6ff8000 old_mmap(0x724000, 80272, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x724000 old_mmap(0x737000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13000) = 0x737000 close(3) = 0 open("/usr/lib/libkrb5.so.3", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`\370[\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=415188, ...}) = 0 old_mmap(0x5b0000, 413000, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x5b0000 old_mmap(0x613000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x63000) = 0x613000 close(3) = 0 open("/lib/libcom_err.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\3548Y\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=7004, ...}) = 0 old_mmap(0x593000, 8636, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x593000 old_mmap(0x595000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x595000 close(3) = 0 open("/usr/lib/libk5crypto.so.3", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`Bp\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=136016, ...}) = 0 old_mmap(0x701000, 134560, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x701000 old_mmap(0x721000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x20000) = 0x721000 close(3) = 0 open("/lib/libresolv.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360\363"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=81316, ...}) = 0 old_mmap(0x57d000, 80040, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x57d000 mprotect(0x58c000, 18600, PROT_NONE) = 0 old_mmap(0x58d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x58d000 old_mmap(0x58f000, 6312, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x58f000 close(3) = 0 open("/lib/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260\313"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=16908, ...}) = 0 old_mmap(0x4ec000, 12388, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4ec000 old_mmap(0x4ee000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x4ee000 close(3) = 0 open("/usr/lib/libz.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260\205"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=63528, ...}) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6ff7000 old_mmap(0x517000, 65028, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x517000 old_mmap(0x526000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe000) = 0x526000 close(3) = 0 open("/lib/tls/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 O=\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1524828, ...}) = 0 old_mmap(0x3c0000, 1219740, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3c0000 mprotect(0x4e3000, 27804, PROT_NONE) = 0 old_mmap(0x4e4000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x123000) = 0x4e4000 old_mmap(0x4e8000, 7324, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4e8000 close(3) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6ff6000 mprotect(0x4e4000, 8192, PROT_READ) = 0 mprotect(0x4ee000, 4096, PROT_READ) = 0 mprotect(0x58d000, 4096, PROT_READ) = 0 mprotect(0x3bc000, 4096, PROT_READ) = 0 set_thread_area({entry_number:-1 -> 6, base_addr:0xf6ff66c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 munmap(0xf6ff9000, 28209) = 0 time(NULL) = 1110856826 brk(0) = 0x8c85000 brk(0x8cae000) = 0x8cae000 uname({sys="Linux", node="masra.org", ...}) = 0 getpid() = 18177 geteuid32() = 510 open("/etc/dovecot.conf", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=20533, ...}) = 0 pread(3, "## Dovecot 1.0 configuration fil"..., 2048, 0) = 2048 pread(3, "ges, use this logfile instead of"..., 2023, 2048) = 2023 pread(3, "g\n# we check only once in a seco"..., 1970, 4071) = 1970 pread(3, "to give \"mail\" group write acces"..., 2046, 6041) = 2046 pread(3, "STRUCTURE\n# gen"..., 1981, 8087) = 1981 pread(3, "is setting specifies the minimum"..., 2034, 10068) = 2034 pread(3, "dlinks = no\n\n# Check if mails\' c"..., 2026, 12102) = 2026 pread(3, "processes then.\n#mail_drop_priv_"..., 1986, 14128) = 1986 pread(3, " client authenticates in the IMA"..., 2029, 16114) = 2029 pread(3, "ice> | *]: PAM authentication\n# "..., 2034, 18143) = 2034 pread(3, "s, so it may be 0600-root owned "..., 356, 20177) = 356 close(3) = 0 socket(PF_FILE, SOCK_STREAM, 0) = 3 fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory) close(3) = 0 socket(PF_FILE, SOCK_STREAM, 0) = 3 fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory) close(3) = 0 open("/etc/nsswitch.conf", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=1686, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6fff000 read(3, "#\n# /etc/nsswitch.conf\n#\n# An ex"..., 4096) = 1686 read(3, "", 4096) = 0 close(3) = 0 munmap(0xf6fff000, 4096) = 0 open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=28209, ...}) = 0 old_mmap(NULL, 28209, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf6ff9000 close(3) = 0 open("/lib/libnss_files.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\32"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=47496, ...}) = 0 old_mmap(NULL, 41604, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf6feb000 old_mmap(0xf6ff4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0xf6ff4000 close(3) = 0 mprotect(0xf6ff4000, 4096, PROT_READ) = 0 munmap(0xf6ff9000, 28209) = 0 open("/etc/passwd", O_RDONLY) = 3 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=3306, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6fff000 read(3, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 3306 close(3) = 0 munmap(0xf6fff000, 4096) = 0 access("/usr/libexec/dovecot/pop3-login", X_OK) = 0 open("/etc/passwd", O_RDONLY) = 3 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=3306, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf6fff000 read(3, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 3306 close(3) = 0 munmap(0xf6fff000, 4096) = 0 access("/usr/libexec/dovecot/imap-login", X_OK) = 0 access("/usr/libexec/dovecot/imap", X_OK) = 0 access("/usr/lib/dovecot/imap", R_OK|X_OK) = 0 access("/usr/libexec/dovecot/pop3", X_OK) = 0 access("/usr/lib/dovecot/pop3", R_OK|X_OK) = 0 access("/usr/share/ssl/certs/dovecot.pem", R_OK) = -1 EACCES (Permission denied) write(2, "Fatal: ", 7Fatal: ) = 7 write(2, "Can\'t use SSL certificate /usr/s"..., 77Can't use SSL certificate /usr/share/ssl/certs/dovecot.pem: Permission denied) = 77 write(2, "\n", 1 ) = 1 exit_group(89) = ?

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[Dovecot] Dovecot 64-bit and Pine error
by Remy Zandwijk 15 Mar '05

15 Mar '05

Hi all, I compiled a 64-bit Dovecot stable (13-03-2005) version on a Solaris 9 box with gcc 3.4.2. OpenSSL and libiconv are compiled 64-bit also. The configure I use: export CPPFLAGS="-m64 -I/var/tmp/openssl/include" export LDFLAGS="-m64 -L/var/tmp/openssl/lib" ./configure \ --prefix=/opt/dovecot \ --sysconfdir=/etc/opt/dovecot \ --disable-shared \ --with-libiconv-prefix=/var/tmp/iconv \ --without-passwd-file \ --without-shadow \ --without-vpopmail \ --without-static-userdb \ --with-ssl=openssl \ --with-ssldir=/etc/opt/dovecot/cert \ --without-pop3d Dovecot is running fine, all email clients are running fine, except for Pine (4.62). When saving a mail to another IMAP mailbox, Pine report an error message and the logfile shows: Mar 14 16:33:28 tbox dovecot: [ID 107833 local1.error] IMAP(tstud1): utime(/var/tmp/var_mailstore/ t/tstud1/.Drafts/tmp/1110814408.P2681Q0M979308.tbox) failed: Value too large for defined data type Compiling Dovecot in 32-bit, saving mail within Pine is doing just fine. I guess this is caused by maildir-save.c, line 219. Is this a bug in Solaris or Dovecot? -Remy

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[Dovecot] dovecot 0.99 + apple mail.app
by sean finney 15 Mar '05

15 Mar '05

hello all, first off, a success story. after much testing and preperation, we've switched from uw-imap to dovecot. i am not kidding when i say that we have experienced an order of magnitude decrease in server load (previously load peaks were 40-60, now they are 3-4). so, suffice to say that the mail admins here are very happy :) one problem that has come up though is particular to apple's mail.app. when a client recieves a new message, they aren't notified that it's arrived, and often even when pressing "check for new mail" they don't see it come in. however, if they move from one mailbox to another, and then back, it shows up. it also shows up if thtey completely quit out of the program and start it back up. i'm going to try and get a packet dump of this to see if i can find out what's happening in the conversation, but figured in the meantime i'd put my feelers out to see if anyone else is having this problem. thanks, sean

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[Dovecot] dovecot-stable mbox weirdness
by Matt Howard 14 Mar '05

14 Mar '05

I just tested dovecot-stable from 2005-03-08 and 03-12 and saw the following behavior. All of my mbox folders show is the first message's header. None of the files were truncated (whew, saves a restore). I had 0.99.12.1 installed before this, and just switched back to 0.99.14. Both 0.99.x versions work fine. I removed all of the index files to see if there was a hiccup there, with no effect. System is Slackware 10.0. My package was built with this: http://tinyurl.com/6l2vv

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[Dovecot] aha! (was apple mail vs. v0.99)
by sean finney 14 Mar '05

14 Mar '05

it seems that when you say "check for new mail" in apple mail, it sends a NOOP to the imap server to get the response. in uw, the conversation is something like: 25 NOOP 25 OK NOOP completed 26 NOOP * 2796 EXISTS * 7 RECENT 26 OK NOOP completed however, with dovecot, if it has already notified the client that new mail has arrived, it will look something like: * 24 EXISTS * 2 RECENT 22 NOOP 22 OK NOOP completed. 23 NOOP 23 OK NOOP completed. (the counts are different because these are seperate accounts) so evidently, apple mail is too stupid to realize to read info from the server unless it asked for it... so now that i think i have a short-term fix (disabling notification for new mail server-side), i can breathe a sigh of relief. for a long-term fix, would it be possible to have the server always notify the client of new mail after a NOOP? thanks, sean

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[Dovecot] Authentication error after authentication query (for Eudora 5.2 on Mac)
by Tim Alberts 14 Mar '05

14 Mar '05

Greetings all, I'm a new user of Dovecot and want to say thanks for the great software. I am having a problem at the moment. I run a heterogeneous network with windows and Mac clients logging into a Fedora Linux 2 box running sendmail and previously UW-IMAP, but now Dovecot. I am using strictly pop3, plain authentication with mbox format. Every computer in the network is working fine with this sytem, except 1. A mac running Eurdora mail 5.2. It gives me an Authentication error every time it tries to get mail. I telnet into the server and when I skip the AUTH process and just log in, the server works fine as follows: [talberts@localhost ~]$ telnet mail.inside.msi 110 Trying 192.168.0.3... Connected to mail.inside.msi (192.168.0.3). Escape character is '^]'. +OK dovecot ready. user tdazey +OK pass ****** +OK Logged in. quit +OK Logging out. Connection closed by foreign host. [talberts@localhost ~]$ However, when I do the following session: [talberts@localhost ~]$ telnet mail.inside.msi 110 Trying 192.168.0.3... Connected to mail.inside.msi (192.168.0.3). Escape character is '^]'. +OK dovecot ready. auth cram_md5 -ERR Unsupported authentication mechanism. auth login -ERR Unsupported authentication mechanism. auth plain + user tdazey -ERR Authentication failed. user tdazey +OK pass ****** +OK Logged in. quit +OK Logging out. Connection closed by foreign host. [talberts@localhost ~]$ I don't need any authentication except plain. However, when the client queries the settings, it fails the login. I tried this on multiple accounts with the same results. What do I do to fix this?

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[Dovecot] Dovecot, pam and OpenLDAP
by Rune Hamnvik 14 Mar '05

14 Mar '05

Hello We have a Dovecot installation using only pop3 where auth data is stored in OpenLDAP and accessed using pam. With Fedora 2 everything has worked fine, but when we upgraded to Fedora 3 we started to get problems. After a while a lot of dovecot processes existed, and error messages was logged in maillog telling that the processes was too old. Then some error messages telling about memory leak was logged. Our /etc/pam.d/dovecot looks like this: #%PAM-1.0 auth required pam_nologin.so auth required pam_stack.so service=system-auth account required pam_stack.so service=system-auth session required pam_stack.so service=system-auth Any idea what is happening? Rune Hamnvik Mobinor AS Norway

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Re: [Dovecot] Plain Authentication - Outlook not working
by F. Even 14 Mar '05

14 Mar '05

What problems exist with Thunderbird? Both my wife and I are using Thunderbird with no issues on both OSX and WindowsXP. (No issues that I'm noticing anyway). I'm using 1.0 Test 64: Dovecot v1.0-test64 starting up Frank Simon Windsor wrote: > Hi > > Thanks for the advice, but no luck. > > In the end, I am now using Evolution, which I do not like but it works. > It appears that Kmails IMAP and Thunderbirds IMAP are broken, > particularly kmails! > > Installing Dovecot 1.0.59 improves Dovecots IMAP software, but exposes > flaws for Kmail and Thunderbird! > > So, until the update to KDE, due at the end of March, I will endure > Evolution. > > Thanks, once again > > Simon > > On Sun, 2005-03-13 at 17:40 -0600, F. Even wrote: > >>>Hi >>> >>>I tried re-subscribing and still, I get not emails with kmail. >>> >>>Outlook appeared to pick the change in Subscription file automatically. >>> >>>Any other ideas, or should I drop the IMAP connection and re-do it? >> >>I've always had to drop my IMAP connection and reconnect to recognize >>changes I've made on the server side. A kill -1 to dovecot will only >>reload the server process and the login auth processes...it won't kill >>your already established IMAP connection, which as far as I can tell, >>keeps using old settings. >> >>If you are having that many problems, delete all of your subscriptions >>files and dovecot caches and start from scratch. I've had to do it a few >>times to get things to work as expected. >>

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RE: [Dovecot] Plain Authentication - Outlook not working
by F. Even 14 Mar '05

14 Mar '05

> Hi > > I tried re-subscribing and still, I get not emails with kmail. > > Outlook appeared to pick the change in Subscription file automatically. > > Any other ideas, or should I drop the IMAP connection and re-do it? I've always had to drop my IMAP connection and reconnect to recognize changes I've made on the server side. A kill -1 to dovecot will only reload the server process and the login auth processes...it won't kill your already established IMAP connection, which as far as I can tell, keeps using old settings. If you are having that many problems, delete all of your subscriptions files and dovecot caches and start from scratch. I've had to do it a few times to get things to work as expected.

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[Dovecot] Restrict Imap access
by Sergiu Zaharia 14 Mar '05

14 Mar '05

Hello. I need to restrict access to IMAP ports to a few users, so that all users can use POP3 and just a few of them will be able to access IMAP. I use secure connections POP3s and IMAPs. Is it possible? Also... When I connect to the Dovecot server using Outlook (IMAPs) I get a Warning message,something like: "The server you are connectiing to uses a non verified protection certificate. A chain of certificates ...so on ( I can't translate :) ) Continue using the server? " How can I fix that warning? Thanks

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